Home / 84,439.75-126,659.53-40,042.29

Finding the Fourth Proportional to 84,439.75, 126,659.53 and 40,042.29

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Solution

The fourth proportional to 84,439.75, 126,659.53 and 40,042.29 is: 60,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,439.75 : 126,659.53 = 40,042.29 : x
  2. Step 2: Convert to fraction form
    84,439.75/126,659.53 = 40,042.29/x
  3. Step 3: Cross multiply
    84,439.75x = 126,659.53 × 40,042.29
  4. Step 4: Simplify right side
    84,439.75x = 5,071,737,631.52
  5. Step 5: Solve for x
    x = 5,071,737,631.52/84,439.75
  6. Step 6: Final answer
    x = 60,063.39

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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.