Home / 75,635.20-113,337.60-63,884.80

Finding the Fourth Proportional to 75,635.20, 113,337.60 and 63,884.80

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Solution

The fourth proportional to 75,635.20, 113,337.60 and 63,884.80 is: 95,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,635.20 : 113,337.60 = 63,884.80 : x
  2. Step 2: Convert to fraction form
    75,635.20/113,337.60 = 63,884.80/x
  3. Step 3: Cross multiply
    75,635.20x = 113,337.60 × 63,884.80
  4. Step 4: Simplify right side
    75,635.20x = 7,240,549,908.48
  5. Step 5: Solve for x
    x = 7,240,549,908.48/75,635.20
  6. Step 6: Final answer
    x = 95,729.90

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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.