Home / 75,275.46-112,909.68-30,891.24

Finding the Fourth Proportional to 75,275.46, 112,909.68 and 30,891.24

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Solution

The fourth proportional to 75,275.46, 112,909.68 and 30,891.24 is: 46,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,275.46 : 112,909.68 = 30,891.24 : x
  2. Step 2: Convert to fraction form
    75,275.46/112,909.68 = 30,891.24/x
  3. Step 3: Cross multiply
    75,275.46x = 112,909.68 × 30,891.24
  4. Step 4: Simplify right side
    75,275.46x = 3,487,920,023.20
  5. Step 5: Solve for x
    x = 3,487,920,023.20/75,275.46
  6. Step 6: Final answer
    x = 46,335.42

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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.