Home / 85,003.32-117,238.68-54,793.56

Finding the Fourth Proportional to 85,003.32, 117,238.68 and 54,793.56

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Solution

The fourth proportional to 85,003.32, 117,238.68 and 54,793.56 is: 75,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,003.32 : 117,238.68 = 54,793.56 : x
  2. Step 2: Convert to fraction form
    85,003.32/117,238.68 = 54,793.56/x
  3. Step 3: Cross multiply
    85,003.32x = 117,238.68 × 54,793.56
  4. Step 4: Simplify right side
    85,003.32x = 6,423,924,646.90
  5. Step 5: Solve for x
    x = 6,423,924,646.90/85,003.32
  6. Step 6: Final answer
    x = 75,572.63

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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.