Home / 84,306.32-126,557.20-49,271.12

Finding the Fourth Proportional to 84,306.32, 126,557.20 and 49,271.12

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Solution

The fourth proportional to 84,306.32, 126,557.20 and 49,271.12 is: 73,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,306.32 : 126,557.20 = 49,271.12 : x
  2. Step 2: Convert to fraction form
    84,306.32/126,557.20 = 49,271.12/x
  3. Step 3: Cross multiply
    84,306.32x = 126,557.20 × 49,271.12
  4. Step 4: Simplify right side
    84,306.32x = 6,235,614,988.06
  5. Step 5: Solve for x
    x = 6,235,614,988.06/84,306.32
  6. Step 6: Final answer
    x = 73,963.79

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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.