Home / 80,526.16-120,759-27,922.96

Finding the Fourth Proportional to 80,526.16, 120,759 and 27,922.96

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Solution

The fourth proportional to 80,526.16, 120,759 and 27,922.96 is: 41,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,526.16 : 120,759 = 27,922.96 : x
  2. Step 2: Convert to fraction form
    80,526.16/120,759 = 27,922.96/x
  3. Step 3: Cross multiply
    80,526.16x = 120,759 × 27,922.96
  4. Step 4: Simplify right side
    80,526.16x = 3,371,948,726.64
  5. Step 5: Solve for x
    x = 3,371,948,726.64/80,526.16
  6. Step 6: Final answer
    x = 41,873.95

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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.