Home / 123,732.40-185,647.20-48,839.80

Finding the Fourth Proportional to 123,732.40, 185,647.20 and 48,839.80

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Solution

The fourth proportional to 123,732.40, 185,647.20 and 48,839.80 is: 73,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,732.40 : 185,647.20 = 48,839.80 : x
  2. Step 2: Convert to fraction form
    123,732.40/185,647.20 = 48,839.80/x
  3. Step 3: Cross multiply
    123,732.40x = 185,647.20 × 48,839.80
  4. Step 4: Simplify right side
    123,732.40x = 9,066,972,118.56
  5. Step 5: Solve for x
    x = 9,066,972,118.56/123,732.40
  6. Step 6: Final answer
    x = 73,278.88

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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.