Home / 93,559.19-129,112.11-51,118.70

Finding the Fourth Proportional to 93,559.19, 129,112.11 and 51,118.70

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Solution

The fourth proportional to 93,559.19, 129,112.11 and 51,118.70 is: 70,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,559.19 : 129,112.11 = 51,118.70 : x
  2. Step 2: Convert to fraction form
    93,559.19/129,112.11 = 51,118.70/x
  3. Step 3: Cross multiply
    93,559.19x = 129,112.11 × 51,118.70
  4. Step 4: Simplify right side
    93,559.19x = 6,600,042,571.90
  5. Step 5: Solve for x
    x = 6,600,042,571.90/93,559.19
  6. Step 6: Final answer
    x = 70,544.04

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Half scale
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Double scale
Find fourth proportional to 93,560.19, 129,113.49 and 51,119.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.