Home / 89,949.04-124,126.30-49,661.92

Finding the Fourth Proportional to 89,949.04, 124,126.30 and 49,661.92

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Solution

The fourth proportional to 89,949.04, 124,126.30 and 49,661.92 is: 68,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,949.04 : 124,126.30 = 49,661.92 : x
  2. Step 2: Convert to fraction form
    89,949.04/124,126.30 = 49,661.92/x
  3. Step 3: Cross multiply
    89,949.04x = 124,126.30 × 49,661.92
  4. Step 4: Simplify right side
    89,949.04x = 6,164,350,380.50
  5. Step 5: Solve for x
    x = 6,164,350,380.50/89,949.04
  6. Step 6: Final answer
    x = 68,531.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.