Home / 83,965.20-126,093.60-44,599.20

Finding the Fourth Proportional to 83,965.20, 126,093.60 and 44,599.20

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Solution

The fourth proportional to 83,965.20, 126,093.60 and 44,599.20 is: 66,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,965.20 : 126,093.60 = 44,599.20 : x
  2. Step 2: Convert to fraction form
    83,965.20/126,093.60 = 44,599.20/x
  3. Step 3: Cross multiply
    83,965.20x = 126,093.60 × 44,599.20
  4. Step 4: Simplify right side
    83,965.20x = 5,623,673,685.12
  5. Step 5: Solve for x
    x = 5,623,673,685.12/83,965.20
  6. Step 6: Final answer
    x = 66,976.24

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1.5x scale

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.