Home / 80,282.22-120,400.65-50,655.66

Finding the Fourth Proportional to 80,282.22, 120,400.65 and 50,655.66

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Solution

The fourth proportional to 80,282.22, 120,400.65 and 50,655.66 is: 75,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,282.22 : 120,400.65 = 50,655.66 : x
  2. Step 2: Convert to fraction form
    80,282.22/120,400.65 = 50,655.66/x
  3. Step 3: Cross multiply
    80,282.22x = 120,400.65 × 50,655.66
  4. Step 4: Simplify right side
    80,282.22x = 6,098,974,390.18
  5. Step 5: Solve for x
    x = 6,098,974,390.18/80,282.22
  6. Step 6: Final answer
    x = 75,969.18

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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.