Home / 83,929.20-126,039.60-44,563.20

Finding the Fourth Proportional to 83,929.20, 126,039.60 and 44,563.20

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Solution

The fourth proportional to 83,929.20, 126,039.60 and 44,563.20 is: 66,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,929.20 : 126,039.60 = 44,563.20 : x
  2. Step 2: Convert to fraction form
    83,929.20/126,039.60 = 44,563.20/x
  3. Step 3: Cross multiply
    83,929.20x = 126,039.60 × 44,563.20
  4. Step 4: Simplify right side
    83,929.20x = 5,616,727,902.72
  5. Step 5: Solve for x
    x = 5,616,727,902.72/83,929.20
  6. Step 6: Final answer
    x = 66,922.21

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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.