Home / 48,167.52-66,449-31,177.22

Finding the Fourth Proportional to 48,167.52, 66,449 and 31,177.22

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Solution

The fourth proportional to 48,167.52, 66,449 and 31,177.22 is: 43,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,167.52 : 66,449 = 31,177.22 : x
  2. Step 2: Convert to fraction form
    48,167.52/66,449 = 31,177.22/x
  3. Step 3: Cross multiply
    48,167.52x = 66,449 × 31,177.22
  4. Step 4: Simplify right side
    48,167.52x = 2,071,695,091.78
  5. Step 5: Solve for x
    x = 2,071,695,091.78/48,167.52
  6. Step 6: Final answer
    x = 43,010.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.