Home / 84,724.55-127,004.19-40,339.38

Finding the Fourth Proportional to 84,724.55, 127,004.19 and 40,339.38

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Solution

The fourth proportional to 84,724.55, 127,004.19 and 40,339.38 is: 60,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,724.55 : 127,004.19 = 40,339.38 : x
  2. Step 2: Convert to fraction form
    84,724.55/127,004.19 = 40,339.38/x
  3. Step 3: Cross multiply
    84,724.55x = 127,004.19 × 40,339.38
  4. Step 4: Simplify right side
    84,724.55x = 5,123,270,282.00
  5. Step 5: Solve for x
    x = 5,123,270,282.00/84,724.55
  6. Step 6: Final answer
    x = 60,469.73

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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.