Home / 75,806.46-113,735.90-25,921.66

Finding the Fourth Proportional to 75,806.46, 113,735.90 and 25,921.66

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Solution

The fourth proportional to 75,806.46, 113,735.90 and 25,921.66 is: 38,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,806.46 : 113,735.90 = 25,921.66 : x
  2. Step 2: Convert to fraction form
    75,806.46/113,735.90 = 25,921.66/x
  3. Step 3: Cross multiply
    75,806.46x = 113,735.90 × 25,921.66
  4. Step 4: Simplify right side
    75,806.46x = 2,948,223,329.59
  5. Step 5: Solve for x
    x = 2,948,223,329.59/75,806.46
  6. Step 6: Final answer
    x = 38,891.45

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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.