Home / 48,134.30-66,398.66-27,988.95

Finding the Fourth Proportional to 48,134.30, 66,398.66 and 27,988.95

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Solution

The fourth proportional to 48,134.30, 66,398.66 and 27,988.95 is: 38,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,134.30 : 66,398.66 = 27,988.95 : x
  2. Step 2: Convert to fraction form
    48,134.30/66,398.66 = 27,988.95/x
  3. Step 3: Cross multiply
    48,134.30x = 66,398.66 × 27,988.95
  4. Step 4: Simplify right side
    48,134.30x = 1,858,428,634.86
  5. Step 5: Solve for x
    x = 1,858,428,634.86/48,134.30
  6. Step 6: Final answer
    x = 38,609.24

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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.