Home / 75,919.20-113,948.48-38,505.32

Finding the Fourth Proportional to 75,919.20, 113,948.48 and 38,505.32

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Solution

The fourth proportional to 75,919.20, 113,948.48 and 38,505.32 is: 57,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,919.20 : 113,948.48 = 38,505.32 : x
  2. Step 2: Convert to fraction form
    75,919.20/113,948.48 = 38,505.32/x
  3. Step 3: Cross multiply
    75,919.20x = 113,948.48 × 38,505.32
  4. Step 4: Simplify right side
    75,919.20x = 4,387,622,685.91
  5. Step 5: Solve for x
    x = 4,387,622,685.91/75,919.20
  6. Step 6: Final answer
    x = 57,793.32

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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.