Home / 84,251.30-126,376.72-34,319.66

Finding the Fourth Proportional to 84,251.30, 126,376.72 and 34,319.66

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Solution

The fourth proportional to 84,251.30, 126,376.72 and 34,319.66 is: 51,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251.30 : 126,376.72 = 34,319.66 : x
  2. Step 2: Convert to fraction form
    84,251.30/126,376.72 = 34,319.66/x
  3. Step 3: Cross multiply
    84,251.30x = 126,376.72 × 34,319.66
  4. Step 4: Simplify right side
    84,251.30x = 4,337,206,292.46
  5. Step 5: Solve for x
    x = 4,337,206,292.46/84,251.30
  6. Step 6: Final answer
    x = 51,479.40

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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.