Home / 80,624.16-120,886.02-38,502.54

Finding the Fourth Proportional to 80,624.16, 120,886.02 and 38,502.54

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Solution

The fourth proportional to 80,624.16, 120,886.02 and 38,502.54 is: 57,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,624.16 : 120,886.02 = 38,502.54 : x
  2. Step 2: Convert to fraction form
    80,624.16/120,886.02 = 38,502.54/x
  3. Step 3: Cross multiply
    80,624.16x = 120,886.02 × 38,502.54
  4. Step 4: Simplify right side
    80,624.16x = 4,654,418,820.49
  5. Step 5: Solve for x
    x = 4,654,418,820.49/80,624.16
  6. Step 6: Final answer
    x = 57,729.83

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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.