Home / 123,921.18-185,753.88-49,010.96

Finding the Fourth Proportional to 123,921.18, 185,753.88 and 49,010.96

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Solution

The fourth proportional to 123,921.18, 185,753.88 and 49,010.96 is: 73,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,921.18 : 185,753.88 = 49,010.96 : x
  2. Step 2: Convert to fraction form
    123,921.18/185,753.88 = 49,010.96/x
  3. Step 3: Cross multiply
    123,921.18x = 185,753.88 × 49,010.96
  4. Step 4: Simplify right side
    123,921.18x = 9,103,975,053.76
  5. Step 5: Solve for x
    x = 9,103,975,053.76/123,921.18
  6. Step 6: Final answer
    x = 73,465.85

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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.