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Finding the Fourth Proportional to 80,089.70, 120,132.92 and 23,929.97

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Solution

The fourth proportional to 80,089.70, 120,132.92 and 23,929.97 is: 35,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,089.70 : 120,132.92 = 23,929.97 : x
  2. Step 2: Convert to fraction form
    80,089.70/120,132.92 = 23,929.97/x
  3. Step 3: Cross multiply
    80,089.70x = 120,132.92 × 23,929.97
  4. Step 4: Simplify right side
    80,089.70x = 2,874,776,630.77
  5. Step 5: Solve for x
    x = 2,874,776,630.77/80,089.70
  6. Step 6: Final answer
    x = 35,894.46

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1.5x scale

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.