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Finding the Fourth Proportional to 93,925.91, 140,910.13 and 53,963.35

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Solution

The fourth proportional to 93,925.91, 140,910.13 and 53,963.35 is: 80,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,925.91 : 140,910.13 = 53,963.35 : x
  2. Step 2: Convert to fraction form
    93,925.91/140,910.13 = 53,963.35/x
  3. Step 3: Cross multiply
    93,925.91x = 140,910.13 × 53,963.35
  4. Step 4: Simplify right side
    93,925.91x = 7,603,982,663.74
  5. Step 5: Solve for x
    x = 7,603,982,663.74/93,925.91
  6. Step 6: Final answer
    x = 80,957.24

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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.