Home / 82,470.40-123,714.42-26,297.26

Finding the Fourth Proportional to 82,470.40, 123,714.42 and 26,297.26

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Solution

The fourth proportional to 82,470.40, 123,714.42 and 26,297.26 is: 39,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,470.40 : 123,714.42 = 26,297.26 : x
  2. Step 2: Convert to fraction form
    82,470.40/123,714.42 = 26,297.26/x
  3. Step 3: Cross multiply
    82,470.40x = 123,714.42 × 26,297.26
  4. Step 4: Simplify right side
    82,470.40x = 3,253,350,268.49
  5. Step 5: Solve for x
    x = 3,253,350,268.49/82,470.40
  6. Step 6: Final answer
    x = 39,448.70

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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.