Home / 84,722.55-127,001.19-40,337.38

Finding the Fourth Proportional to 84,722.55, 127,001.19 and 40,337.38

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Solution

The fourth proportional to 84,722.55, 127,001.19 and 40,337.38 is: 60,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,722.55 : 127,001.19 = 40,337.38 : x
  2. Step 2: Convert to fraction form
    84,722.55/127,001.19 = 40,337.38/x
  3. Step 3: Cross multiply
    84,722.55x = 127,001.19 × 40,337.38
  4. Step 4: Simplify right side
    84,722.55x = 5,122,895,261.48
  5. Step 5: Solve for x
    x = 5,122,895,261.48/84,722.55
  6. Step 6: Final answer
    x = 60,466.73

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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.