Home / 84,324.60-126,572.49-42,234.84

Finding the Fourth Proportional to 84,324.60, 126,572.49 and 42,234.84

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Solution

The fourth proportional to 84,324.60, 126,572.49 and 42,234.84 is: 63,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,324.60 : 126,572.49 = 42,234.84 : x
  2. Step 2: Convert to fraction form
    84,324.60/126,572.49 = 42,234.84/x
  3. Step 3: Cross multiply
    84,324.60x = 126,572.49 × 42,234.84
  4. Step 4: Simplify right side
    84,324.60x = 5,345,768,863.55
  5. Step 5: Solve for x
    x = 5,345,768,863.55/84,324.60
  6. Step 6: Final answer
    x = 63,395.13

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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.