Home / 85,090.34-127,649.38-25,124.88

Finding the Fourth Proportional to 85,090.34, 127,649.38 and 25,124.88

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Solution

The fourth proportional to 85,090.34, 127,649.38 and 25,124.88 is: 37,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,090.34 : 127,649.38 = 25,124.88 : x
  2. Step 2: Convert to fraction form
    85,090.34/127,649.38 = 25,124.88/x
  3. Step 3: Cross multiply
    85,090.34x = 127,649.38 × 25,124.88
  4. Step 4: Simplify right side
    85,090.34x = 3,207,175,354.57
  5. Step 5: Solve for x
    x = 3,207,175,354.57/85,090.34
  6. Step 6: Final answer
    x = 37,691.42

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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.