Home / 75,422.46-113,132.20-30,442.62

Finding the Fourth Proportional to 75,422.46, 113,132.20 and 30,442.62

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Solution

The fourth proportional to 75,422.46, 113,132.20 and 30,442.62 is: 45,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,422.46 : 113,132.20 = 30,442.62 : x
  2. Step 2: Convert to fraction form
    75,422.46/113,132.20 = 30,442.62/x
  3. Step 3: Cross multiply
    75,422.46x = 113,132.20 × 30,442.62
  4. Step 4: Simplify right side
    75,422.46x = 3,444,040,215.43
  5. Step 5: Solve for x
    x = 3,444,040,215.43/75,422.46
  6. Step 6: Final answer
    x = 45,663.33

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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.