Home / 83,649.16-125,379.78-44,121.16

Finding the Fourth Proportional to 83,649.16, 125,379.78 and 44,121.16

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Solution

The fourth proportional to 83,649.16, 125,379.78 and 44,121.16 is: 66,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,649.16 : 125,379.78 = 44,121.16 : x
  2. Step 2: Convert to fraction form
    83,649.16/125,379.78 = 44,121.16/x
  3. Step 3: Cross multiply
    83,649.16x = 125,379.78 × 44,121.16
  4. Step 4: Simplify right side
    83,649.16x = 5,531,901,334.14
  5. Step 5: Solve for x
    x = 5,531,901,334.14/83,649.16
  6. Step 6: Final answer
    x = 66,132.18

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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.