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Finding the Fourth Proportional to 96,335.61, 132,940.14 and 53,312.52

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Solution

The fourth proportional to 96,335.61, 132,940.14 and 53,312.52 is: 73,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,335.61 : 132,940.14 = 53,312.52 : x
  2. Step 2: Convert to fraction form
    96,335.61/132,940.14 = 53,312.52/x
  3. Step 3: Cross multiply
    96,335.61x = 132,940.14 × 53,312.52
  4. Step 4: Simplify right side
    96,335.61x = 7,087,373,872.55
  5. Step 5: Solve for x
    x = 7,087,373,872.55/96,335.61
  6. Step 6: Final answer
    x = 73,569.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.