Home / 93,558.70-129,109.49-51,116.32

Finding the Fourth Proportional to 93,558.70, 129,109.49 and 51,116.32

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Solution

The fourth proportional to 93,558.70, 129,109.49 and 51,116.32 is: 70,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,558.70 : 129,109.49 = 51,116.32 : x
  2. Step 2: Convert to fraction form
    93,558.70/129,109.49 = 51,116.32/x
  3. Step 3: Cross multiply
    93,558.70x = 129,109.49 × 51,116.32
  4. Step 4: Simplify right side
    93,558.70x = 6,599,601,360.33
  5. Step 5: Solve for x
    x = 6,599,601,360.33/93,558.70
  6. Step 6: Final answer
    x = 70,539.69

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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.