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Finding the Fourth Proportional to 93,701.57, 140,614.59 and 43,785.52

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Solution

The fourth proportional to 93,701.57, 140,614.59 and 43,785.52 is: 65,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,701.57 : 140,614.59 = 43,785.52 : x
  2. Step 2: Convert to fraction form
    93,701.57/140,614.59 = 43,785.52/x
  3. Step 3: Cross multiply
    93,701.57x = 140,614.59 × 43,785.52
  4. Step 4: Simplify right side
    93,701.57x = 6,156,882,942.74
  5. Step 5: Solve for x
    x = 6,156,882,942.74/93,701.57
  6. Step 6: Final answer
    x = 65,707.36

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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.