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Finding the Fourth Proportional to 88,016.76, 131,959.53 and 52,948.22

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Solution

The fourth proportional to 88,016.76, 131,959.53 and 52,948.22 is: 79,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,016.76 : 131,959.53 = 52,948.22 : x
  2. Step 2: Convert to fraction form
    88,016.76/131,959.53 = 52,948.22/x
  3. Step 3: Cross multiply
    88,016.76x = 131,959.53 × 52,948.22
  4. Step 4: Simplify right side
    88,016.76x = 6,987,021,565.74
  5. Step 5: Solve for x
    x = 6,987,021,565.74/88,016.76
  6. Step 6: Final answer
    x = 79,382.85

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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.