Home / 87,239.40-120,394.72-48,996.97

Finding the Fourth Proportional to 87,239.40, 120,394.72 and 48,996.97

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Solution

The fourth proportional to 87,239.40, 120,394.72 and 48,996.97 is: 67,618.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,239.40 : 120,394.72 = 48,996.97 : x
  2. Step 2: Convert to fraction form
    87,239.40/120,394.72 = 48,996.97/x
  3. Step 3: Cross multiply
    87,239.40x = 120,394.72 × 48,996.97
  4. Step 4: Simplify right side
    87,239.40x = 5,898,976,244.26
  5. Step 5: Solve for x
    x = 5,898,976,244.26/87,239.40
  6. Step 6: Final answer
    x = 67,618.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.