Home / 75,679.31-113,528.39-25,755.57

Finding the Fourth Proportional to 75,679.31, 113,528.39 and 25,755.57

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Solution

The fourth proportional to 75,679.31, 113,528.39 and 25,755.57 is: 38,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,679.31 : 113,528.39 = 25,755.57 : x
  2. Step 2: Convert to fraction form
    75,679.31/113,528.39 = 25,755.57/x
  3. Step 3: Cross multiply
    75,679.31x = 113,528.39 × 25,755.57
  4. Step 4: Simplify right side
    75,679.31x = 2,923,988,266.85
  5. Step 5: Solve for x
    x = 2,923,988,266.85/75,679.31
  6. Step 6: Final answer
    x = 38,636.56

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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.