Home / 67,634.38-101,385.62-28,202.76

Finding the Fourth Proportional to 67,634.38, 101,385.62 and 28,202.76

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Solution

The fourth proportional to 67,634.38, 101,385.62 and 28,202.76 is: 42,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,634.38 : 101,385.62 = 28,202.76 : x
  2. Step 2: Convert to fraction form
    67,634.38/101,385.62 = 28,202.76/x
  3. Step 3: Cross multiply
    67,634.38x = 101,385.62 × 28,202.76
  4. Step 4: Simplify right side
    67,634.38x = 2,859,354,308.31
  5. Step 5: Solve for x
    x = 2,859,354,308.31/67,634.38
  6. Step 6: Final answer
    x = 42,276.64

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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.