Home / 94,976.28-131,079.60-54,691.74

Finding the Fourth Proportional to 94,976.28, 131,079.60 and 54,691.74

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Solution

The fourth proportional to 94,976.28, 131,079.60 and 54,691.74 is: 75,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,976.28 : 131,079.60 = 54,691.74 : x
  2. Step 2: Convert to fraction form
    94,976.28/131,079.60 = 54,691.74/x
  3. Step 3: Cross multiply
    94,976.28x = 131,079.60 × 54,691.74
  4. Step 4: Simplify right side
    94,976.28x = 7,168,971,402.50
  5. Step 5: Solve for x
    x = 7,168,971,402.50/94,976.28
  6. Step 6: Final answer
    x = 75,481.70

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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.