Home / 96,885.73-145,354.52-87,632.29

Finding the Fourth Proportional to 96,885.73, 145,354.52 and 87,632.29

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Solution

The fourth proportional to 96,885.73, 145,354.52 and 87,632.29 is: 131,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,885.73 : 145,354.52 = 87,632.29 : x
  2. Step 2: Convert to fraction form
    96,885.73/145,354.52 = 87,632.29/x
  3. Step 3: Cross multiply
    96,885.73x = 145,354.52 × 87,632.29
  4. Step 4: Simplify right side
    96,885.73x = 12,737,749,449.45
  5. Step 5: Solve for x
    x = 12,737,749,449.45/96,885.73
  6. Step 6: Final answer
    x = 131,471.88

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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.