Home / 80,324.76-120,528.45-38,252.55

Finding the Fourth Proportional to 80,324.76, 120,528.45 and 38,252.55

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Solution

The fourth proportional to 80,324.76, 120,528.45 and 38,252.55 is: 57,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,324.76 : 120,528.45 = 38,252.55 : x
  2. Step 2: Convert to fraction form
    80,324.76/120,528.45 = 38,252.55/x
  3. Step 3: Cross multiply
    80,324.76x = 120,528.45 × 38,252.55
  4. Step 4: Simplify right side
    80,324.76x = 4,610,520,560.05
  5. Step 5: Solve for x
    x = 4,610,520,560.05/80,324.76
  6. Step 6: Final answer
    x = 57,398.50

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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.