Home / 93,584.70-129,139.11-51,143.13

Finding the Fourth Proportional to 93,584.70, 129,139.11 and 51,143.13

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Solution

The fourth proportional to 93,584.70, 129,139.11 and 51,143.13 is: 70,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,584.70 : 129,139.11 = 51,143.13 : x
  2. Step 2: Convert to fraction form
    93,584.70/129,139.11 = 51,143.13/x
  3. Step 3: Cross multiply
    93,584.70x = 129,139.11 × 51,143.13
  4. Step 4: Simplify right side
    93,584.70x = 6,604,578,290.81
  5. Step 5: Solve for x
    x = 6,604,578,290.81/93,584.70
  6. Step 6: Final answer
    x = 70,573.27

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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.