Home / 123,418.82-185,003.55-48,591.47

Finding the Fourth Proportional to 123,418.82, 185,003.55 and 48,591.47

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Solution

The fourth proportional to 123,418.82, 185,003.55 and 48,591.47 is: 72,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,418.82 : 185,003.55 = 48,591.47 : x
  2. Step 2: Convert to fraction form
    123,418.82/185,003.55 = 48,591.47/x
  3. Step 3: Cross multiply
    123,418.82x = 185,003.55 × 48,591.47
  4. Step 4: Simplify right side
    123,418.82x = 8,989,593,524.70
  5. Step 5: Solve for x
    x = 8,989,593,524.70/123,418.82
  6. Step 6: Final answer
    x = 72,838.11

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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.