Home / 123,724.20-185,505.30-48,799.20

Finding the Fourth Proportional to 123,724.20, 185,505.30 and 48,799.20

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Solution

The fourth proportional to 123,724.20, 185,505.30 and 48,799.20 is: 73,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,724.20 : 185,505.30 = 48,799.20 : x
  2. Step 2: Convert to fraction form
    123,724.20/185,505.30 = 48,799.20/x
  3. Step 3: Cross multiply
    123,724.20x = 185,505.30 × 48,799.20
  4. Step 4: Simplify right side
    123,724.20x = 9,052,510,235.76
  5. Step 5: Solve for x
    x = 9,052,510,235.76/123,724.20
  6. Step 6: Final answer
    x = 73,166.85

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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.