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Finding the Fourth Proportional to 80,023.68, 119,990.70 and 50,377.68

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Solution

The fourth proportional to 80,023.68, 119,990.70 and 50,377.68 is: 75,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,023.68 : 119,990.70 = 50,377.68 : x
  2. Step 2: Convert to fraction form
    80,023.68/119,990.70 = 50,377.68/x
  3. Step 3: Cross multiply
    80,023.68x = 119,990.70 × 50,377.68
  4. Step 4: Simplify right side
    80,023.68x = 6,044,853,087.58
  5. Step 5: Solve for x
    x = 6,044,853,087.58/80,023.68
  6. Step 6: Final answer
    x = 75,538.30

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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.