Home / 75,793.18-113,689.31-19,633.14

Finding the Fourth Proportional to 75,793.18, 113,689.31 and 19,633.14

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Solution

The fourth proportional to 75,793.18, 113,689.31 and 19,633.14 is: 29,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,793.18 : 113,689.31 = 19,633.14 : x
  2. Step 2: Convert to fraction form
    75,793.18/113,689.31 = 19,633.14/x
  3. Step 3: Cross multiply
    75,793.18x = 113,689.31 × 19,633.14
  4. Step 4: Simplify right side
    75,793.18x = 2,232,078,139.73
  5. Step 5: Solve for x
    x = 2,232,078,139.73/75,793.18
  6. Step 6: Final answer
    x = 29,449.59

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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.