Home / 83,865.20-125,943.60-44,499.20

Finding the Fourth Proportional to 83,865.20, 125,943.60 and 44,499.20

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Solution

The fourth proportional to 83,865.20, 125,943.60 and 44,499.20 is: 66,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,865.20 : 125,943.60 = 44,499.20 : x
  2. Step 2: Convert to fraction form
    83,865.20/125,943.60 = 44,499.20/x
  3. Step 3: Cross multiply
    83,865.20x = 125,943.60 × 44,499.20
  4. Step 4: Simplify right side
    83,865.20x = 5,604,389,445.12
  5. Step 5: Solve for x
    x = 5,604,389,445.12/83,865.20
  6. Step 6: Final answer
    x = 66,826.16

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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.