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Finding the Fourth Proportional to 93,732.56, 129,350.56 and 50,711.91

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Solution

The fourth proportional to 93,732.56, 129,350.56 and 50,711.91 is: 69,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,732.56 : 129,350.56 = 50,711.91 : x
  2. Step 2: Convert to fraction form
    93,732.56/129,350.56 = 50,711.91/x
  3. Step 3: Cross multiply
    93,732.56x = 129,350.56 × 50,711.91
  4. Step 4: Simplify right side
    93,732.56x = 6,559,613,830.39
  5. Step 5: Solve for x
    x = 6,559,613,830.39/93,732.56
  6. Step 6: Final answer
    x = 69,982.24

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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.