Home / 75,406.85-113,110.61-25,487.21

Finding the Fourth Proportional to 75,406.85, 113,110.61 and 25,487.21

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Solution

The fourth proportional to 75,406.85, 113,110.61 and 25,487.21 is: 38,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,406.85 : 113,110.61 = 25,487.21 : x
  2. Step 2: Convert to fraction form
    75,406.85/113,110.61 = 25,487.21/x
  3. Step 3: Cross multiply
    75,406.85x = 113,110.61 × 25,487.21
  4. Step 4: Simplify right side
    75,406.85x = 2,882,873,640.28
  5. Step 5: Solve for x
    x = 2,882,873,640.28/75,406.85
  6. Step 6: Final answer
    x = 38,230.93

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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.