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Finding the Fourth Proportional to 93,740.98, 140,612.01 and 38,336.98

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Solution

The fourth proportional to 93,740.98, 140,612.01 and 38,336.98 is: 57,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,740.98 : 140,612.01 = 38,336.98 : x
  2. Step 2: Convert to fraction form
    93,740.98/140,612.01 = 38,336.98/x
  3. Step 3: Cross multiply
    93,740.98x = 140,612.01 × 38,336.98
  4. Step 4: Simplify right side
    93,740.98x = 5,390,639,815.13
  5. Step 5: Solve for x
    x = 5,390,639,815.13/93,740.98
  6. Step 6: Final answer
    x = 57,505.69

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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.