Home / 75,652.38-113,445.74-25,719.06

Finding the Fourth Proportional to 75,652.38, 113,445.74 and 25,719.06

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Solution

The fourth proportional to 75,652.38, 113,445.74 and 25,719.06 is: 38,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,652.38 : 113,445.74 = 25,719.06 : x
  2. Step 2: Convert to fraction form
    75,652.38/113,445.74 = 25,719.06/x
  3. Step 3: Cross multiply
    75,652.38x = 113,445.74 × 25,719.06
  4. Step 4: Simplify right side
    75,652.38x = 2,917,717,793.80
  5. Step 5: Solve for x
    x = 2,917,717,793.80/75,652.38
  6. Step 6: Final answer
    x = 38,567.43

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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.