Home / 109,167.62-163,699.52-38,081.61

Finding the Fourth Proportional to 109,167.62, 163,699.52 and 38,081.61

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Solution

The fourth proportional to 109,167.62, 163,699.52 and 38,081.61 is: 57,104.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,167.62 : 163,699.52 = 38,081.61 : x
  2. Step 2: Convert to fraction form
    109,167.62/163,699.52 = 38,081.61/x
  3. Step 3: Cross multiply
    109,167.62x = 163,699.52 × 38,081.61
  4. Step 4: Simplify right side
    109,167.62x = 6,233,941,087.42
  5. Step 5: Solve for x
    x = 6,233,941,087.42/109,167.62
  6. Step 6: Final answer
    x = 57,104.31

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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.