Home / 82,126.44-123,134.40-44,654.76

Finding the Fourth Proportional to 82,126.44, 123,134.40 and 44,654.76

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Solution

The fourth proportional to 82,126.44, 123,134.40 and 44,654.76 is: 66,952.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,126.44 : 123,134.40 = 44,654.76 : x
  2. Step 2: Convert to fraction form
    82,126.44/123,134.40 = 44,654.76/x
  3. Step 3: Cross multiply
    82,126.44x = 123,134.40 × 44,654.76
  4. Step 4: Simplify right side
    82,126.44x = 5,498,537,079.74
  5. Step 5: Solve for x
    x = 5,498,537,079.74/82,126.44
  6. Step 6: Final answer
    x = 66,952.09

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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.