Home / 82,279.46-123,345.32-29,676.65

Finding the Fourth Proportional to 82,279.46, 123,345.32 and 29,676.65

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Solution

The fourth proportional to 82,279.46, 123,345.32 and 29,676.65 is: 44,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,279.46 : 123,345.32 = 29,676.65 : x
  2. Step 2: Convert to fraction form
    82,279.46/123,345.32 = 29,676.65/x
  3. Step 3: Cross multiply
    82,279.46x = 123,345.32 × 29,676.65
  4. Step 4: Simplify right side
    82,279.46x = 3,660,475,125.67
  5. Step 5: Solve for x
    x = 3,660,475,125.67/82,279.46
  6. Step 6: Final answer
    x = 44,488.32

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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.