Home / 54,987.26-82,505.52-31,613.69

Finding the Fourth Proportional to 54,987.26, 82,505.52 and 31,613.69

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Solution

The fourth proportional to 54,987.26, 82,505.52 and 31,613.69 is: 47,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987.26 : 82,505.52 = 31,613.69 : x
  2. Step 2: Convert to fraction form
    54,987.26/82,505.52 = 31,613.69/x
  3. Step 3: Cross multiply
    54,987.26x = 82,505.52 × 31,613.69
  4. Step 4: Simplify right side
    54,987.26x = 2,608,304,138.83
  5. Step 5: Solve for x
    x = 2,608,304,138.83/54,987.26
  6. Step 6: Final answer
    x = 47,434.70

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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.