Home / 84,284.40-126,433.08-25,115.52

Finding the Fourth Proportional to 84,284.40, 126,433.08 and 25,115.52

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Solution

The fourth proportional to 84,284.40, 126,433.08 and 25,115.52 is: 37,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,284.40 : 126,433.08 = 25,115.52 : x
  2. Step 2: Convert to fraction form
    84,284.40/126,433.08 = 25,115.52/x
  3. Step 3: Cross multiply
    84,284.40x = 126,433.08 × 25,115.52
  4. Step 4: Simplify right side
    84,284.40x = 3,175,432,549.40
  5. Step 5: Solve for x
    x = 3,175,432,549.40/84,284.40
  6. Step 6: Final answer
    x = 37,675.21

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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.