Home / 75,281.04-112,932.52-40,201.56

Finding the Fourth Proportional to 75,281.04, 112,932.52 and 40,201.56

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Solution

The fourth proportional to 75,281.04, 112,932.52 and 40,201.56 is: 60,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,281.04 : 112,932.52 = 40,201.56 : x
  2. Step 2: Convert to fraction form
    75,281.04/112,932.52 = 40,201.56/x
  3. Step 3: Cross multiply
    75,281.04x = 112,932.52 × 40,201.56
  4. Step 4: Simplify right side
    75,281.04x = 4,540,063,478.73
  5. Step 5: Solve for x
    x = 4,540,063,478.73/75,281.04
  6. Step 6: Final answer
    x = 60,308.19

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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.