Home / 84,434.38-126,655.82-25,270.63

Finding the Fourth Proportional to 84,434.38, 126,655.82 and 25,270.63

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Solution

The fourth proportional to 84,434.38, 126,655.82 and 25,270.63 is: 37,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,434.38 : 126,655.82 = 25,270.63 : x
  2. Step 2: Convert to fraction form
    84,434.38/126,655.82 = 25,270.63/x
  3. Step 3: Cross multiply
    84,434.38x = 126,655.82 × 25,270.63
  4. Step 4: Simplify right side
    84,434.38x = 3,200,672,364.57
  5. Step 5: Solve for x
    x = 3,200,672,364.57/84,434.38
  6. Step 6: Final answer
    x = 37,907.22

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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.