Home / 82,422.75-123,441.85-60,180.96

Finding the Fourth Proportional to 82,422.75, 123,441.85 and 60,180.96

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Solution

The fourth proportional to 82,422.75, 123,441.85 and 60,180.96 is: 90,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,422.75 : 123,441.85 = 60,180.96 : x
  2. Step 2: Convert to fraction form
    82,422.75/123,441.85 = 60,180.96/x
  3. Step 3: Cross multiply
    82,422.75x = 123,441.85 × 60,180.96
  4. Step 4: Simplify right side
    82,422.75x = 7,428,849,037.18
  5. Step 5: Solve for x
    x = 7,428,849,037.18/82,422.75
  6. Step 6: Final answer
    x = 90,131.05

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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.