Home / 75,514.70-113,268.45-25,589.90

Finding the Fourth Proportional to 75,514.70, 113,268.45 and 25,589.90

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Solution

The fourth proportional to 75,514.70, 113,268.45 and 25,589.90 is: 38,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,514.70 : 113,268.45 = 25,589.90 : x
  2. Step 2: Convert to fraction form
    75,514.70/113,268.45 = 25,589.90/x
  3. Step 3: Cross multiply
    75,514.70x = 113,268.45 × 25,589.90
  4. Step 4: Simplify right side
    75,514.70x = 2,898,528,308.66
  5. Step 5: Solve for x
    x = 2,898,528,308.66/75,514.70
  6. Step 6: Final answer
    x = 38,383.63

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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.