Home / 124,711.20-187,066.80-49,842.90

Finding the Fourth Proportional to 124,711.20, 187,066.80 and 49,842.90

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Solution

The fourth proportional to 124,711.20, 187,066.80 and 49,842.90 is: 74,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,711.20 : 187,066.80 = 49,842.90 : x
  2. Step 2: Convert to fraction form
    124,711.20/187,066.80 = 49,842.90/x
  3. Step 3: Cross multiply
    124,711.20x = 187,066.80 × 49,842.90
  4. Step 4: Simplify right side
    124,711.20x = 9,323,951,805.72
  5. Step 5: Solve for x
    x = 9,323,951,805.72/124,711.20
  6. Step 6: Final answer
    x = 74,764.35

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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.