Home / 84,926.72-127,387.92-40,584.80

Finding the Fourth Proportional to 84,926.72, 127,387.92 and 40,584.80

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Solution

The fourth proportional to 84,926.72, 127,387.92 and 40,584.80 is: 60,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,926.72 : 127,387.92 = 40,584.80 : x
  2. Step 2: Convert to fraction form
    84,926.72/127,387.92 = 40,584.80/x
  3. Step 3: Cross multiply
    84,926.72x = 127,387.92 × 40,584.80
  4. Step 4: Simplify right side
    84,926.72x = 5,170,013,255.62
  5. Step 5: Solve for x
    x = 5,170,013,255.62/84,926.72
  6. Step 6: Final answer
    x = 60,876.17

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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.