Home / 84,538.99-126,827.93-25,375.78

Finding the Fourth Proportional to 84,538.99, 126,827.93 and 25,375.78

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Solution

The fourth proportional to 84,538.99, 126,827.93 and 25,375.78 is: 38,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,538.99 : 126,827.93 = 25,375.78 : x
  2. Step 2: Convert to fraction form
    84,538.99/126,827.93 = 25,375.78/x
  3. Step 3: Cross multiply
    84,538.99x = 126,827.93 × 25,375.78
  4. Step 4: Simplify right side
    84,538.99x = 3,218,357,649.54
  5. Step 5: Solve for x
    x = 3,218,357,649.54/84,538.99
  6. Step 6: Final answer
    x = 38,069.51

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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.