Home / 84,949.76-127,436.16-29,538.56

Finding the Fourth Proportional to 84,949.76, 127,436.16 and 29,538.56

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Solution

The fourth proportional to 84,949.76, 127,436.16 and 29,538.56 is: 44,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,949.76 : 127,436.16 = 29,538.56 : x
  2. Step 2: Convert to fraction form
    84,949.76/127,436.16 = 29,538.56/x
  3. Step 3: Cross multiply
    84,949.76x = 127,436.16 × 29,538.56
  4. Step 4: Simplify right side
    84,949.76x = 3,764,280,658.33
  5. Step 5: Solve for x
    x = 3,764,280,658.33/84,949.76
  6. Step 6: Final answer
    x = 44,311.85

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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.