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Finding the Fourth Proportional to 93,668.92, 140,558.70 and 34,545.88

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Solution

The fourth proportional to 93,668.92, 140,558.70 and 34,545.88 is: 51,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,668.92 : 140,558.70 = 34,545.88 : x
  2. Step 2: Convert to fraction form
    93,668.92/140,558.70 = 34,545.88/x
  3. Step 3: Cross multiply
    93,668.92x = 140,558.70 × 34,545.88
  4. Step 4: Simplify right side
    93,668.92x = 4,855,723,983.16
  5. Step 5: Solve for x
    x = 4,855,723,983.16/93,668.92
  6. Step 6: Final answer
    x = 51,839.22

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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.