Home / 84,213.33-126,385.99-58,747.20

Finding the Fourth Proportional to 84,213.33, 126,385.99 and 58,747.20

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Solution

The fourth proportional to 84,213.33, 126,385.99 and 58,747.20 is: 88,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,213.33 : 126,385.99 = 58,747.20 : x
  2. Step 2: Convert to fraction form
    84,213.33/126,385.99 = 58,747.20/x
  3. Step 3: Cross multiply
    84,213.33x = 126,385.99 × 58,747.20
  4. Step 4: Simplify right side
    84,213.33x = 7,424,822,884.86
  5. Step 5: Solve for x
    x = 7,424,822,884.86/84,213.33
  6. Step 6: Final answer
    x = 88,166.84

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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.