Home / 75,869.20-113,809.20-23,278.60

Finding the Fourth Proportional to 75,869.20, 113,809.20 and 23,278.60

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Solution

The fourth proportional to 75,869.20, 113,809.20 and 23,278.60 is: 34,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,869.20 : 113,809.20 = 23,278.60 : x
  2. Step 2: Convert to fraction form
    75,869.20/113,809.20 = 23,278.60/x
  3. Step 3: Cross multiply
    75,869.20x = 113,809.20 × 23,278.60
  4. Step 4: Simplify right side
    75,869.20x = 2,649,318,843.12
  5. Step 5: Solve for x
    x = 2,649,318,843.12/75,869.20
  6. Step 6: Final answer
    x = 34,919.56

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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.