Home / 75,562.68-113,388.57-28,211.70

Finding the Fourth Proportional to 75,562.68, 113,388.57 and 28,211.70

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Solution

The fourth proportional to 75,562.68, 113,388.57 and 28,211.70 is: 42,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,562.68 : 113,388.57 = 28,211.70 : x
  2. Step 2: Convert to fraction form
    75,562.68/113,388.57 = 28,211.70/x
  3. Step 3: Cross multiply
    75,562.68x = 113,388.57 × 28,211.70
  4. Step 4: Simplify right side
    75,562.68x = 3,198,884,320.27
  5. Step 5: Solve for x
    x = 3,198,884,320.27/75,562.68
  6. Step 6: Final answer
    x = 42,334.18

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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.