Home / 87,734.81-131,522.60-45,565.61

Finding the Fourth Proportional to 87,734.81, 131,522.60 and 45,565.61

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Solution

The fourth proportional to 87,734.81, 131,522.60 and 45,565.61 is: 68,307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,734.81 : 131,522.60 = 45,565.61 : x
  2. Step 2: Convert to fraction form
    87,734.81/131,522.60 = 45,565.61/x
  3. Step 3: Cross multiply
    87,734.81x = 131,522.60 × 45,565.61
  4. Step 4: Simplify right side
    87,734.81x = 5,992,906,954.09
  5. Step 5: Solve for x
    x = 5,992,906,954.09/87,734.81
  6. Step 6: Final answer
    x = 68,307.06

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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.