Home / 124,836.78-187,236.74-45,932.66

Finding the Fourth Proportional to 124,836.78, 187,236.74 and 45,932.66

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Solution

The fourth proportional to 124,836.78, 187,236.74 and 45,932.66 is: 68,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,836.78 : 187,236.74 = 45,932.66 : x
  2. Step 2: Convert to fraction form
    124,836.78/187,236.74 = 45,932.66/x
  3. Step 3: Cross multiply
    124,836.78x = 187,236.74 × 45,932.66
  4. Step 4: Simplify right side
    124,836.78x = 8,600,281,517.93
  5. Step 5: Solve for x
    x = 8,600,281,517.93/124,836.78
  6. Step 6: Final answer
    x = 68,892.21

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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.