Home / 96,937.73-145,432.52-87,684.29

Finding the Fourth Proportional to 96,937.73, 145,432.52 and 87,684.29

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Solution

The fourth proportional to 96,937.73, 145,432.52 and 87,684.29 is: 131,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,937.73 : 145,432.52 = 87,684.29 : x
  2. Step 2: Convert to fraction form
    96,937.73/145,432.52 = 87,684.29/x
  3. Step 3: Cross multiply
    96,937.73x = 145,432.52 × 87,684.29
  4. Step 4: Simplify right side
    96,937.73x = 12,752,146,820.69
  5. Step 5: Solve for x
    x = 12,752,146,820.69/96,937.73
  6. Step 6: Final answer
    x = 131,549.88

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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.