Home / 75,265.20-112,876.22-30,286.50

Finding the Fourth Proportional to 75,265.20, 112,876.22 and 30,286.50

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Solution

The fourth proportional to 75,265.20, 112,876.22 and 30,286.50 is: 45,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,265.20 : 112,876.22 = 30,286.50 : x
  2. Step 2: Convert to fraction form
    75,265.20/112,876.22 = 30,286.50/x
  3. Step 3: Cross multiply
    75,265.20x = 112,876.22 × 30,286.50
  4. Step 4: Simplify right side
    75,265.20x = 3,418,625,485.60
  5. Step 5: Solve for x
    x = 3,418,625,485.60/75,265.20
  6. Step 6: Final answer
    x = 45,421.06

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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.