Home / 75,829.16-113,757.24-25,914.80

Finding the Fourth Proportional to 75,829.16, 113,757.24 and 25,914.80

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Solution

The fourth proportional to 75,829.16, 113,757.24 and 25,914.80 is: 38,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,829.16 : 113,757.24 = 25,914.80 : x
  2. Step 2: Convert to fraction form
    75,829.16/113,757.24 = 25,914.80/x
  3. Step 3: Cross multiply
    75,829.16x = 113,757.24 × 25,914.80
  4. Step 4: Simplify right side
    75,829.16x = 2,947,996,123.15
  5. Step 5: Solve for x
    x = 2,947,996,123.15/75,829.16
  6. Step 6: Final answer
    x = 38,876.81

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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.