Home / 78,164.92-107,861.20-44,176.32

Finding the Fourth Proportional to 78,164.92, 107,861.20 and 44,176.32

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Solution

The fourth proportional to 78,164.92, 107,861.20 and 44,176.32 is: 60,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,164.92 : 107,861.20 = 44,176.32 : x
  2. Step 2: Convert to fraction form
    78,164.92/107,861.20 = 44,176.32/x
  3. Step 3: Cross multiply
    78,164.92x = 107,861.20 × 44,176.32
  4. Step 4: Simplify right side
    78,164.92x = 4,764,910,886.78
  5. Step 5: Solve for x
    x = 4,764,910,886.78/78,164.92
  6. Step 6: Final answer
    x = 60,959.71

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1.5x scale

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.