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Finding the Fourth Proportional to 93,387.65, 140,082.71 and 29,343.71

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Solution

The fourth proportional to 93,387.65, 140,082.71 and 29,343.71 is: 44,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,387.65 : 140,082.71 = 29,343.71 : x
  2. Step 2: Convert to fraction form
    93,387.65/140,082.71 = 29,343.71/x
  3. Step 3: Cross multiply
    93,387.65x = 140,082.71 × 29,343.71
  4. Step 4: Simplify right side
    93,387.65x = 4,110,545,571.12
  5. Step 5: Solve for x
    x = 4,110,545,571.12/93,387.65
  6. Step 6: Final answer
    x = 44,015.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.