Home / 84,251.06-126,334.20-28,071.26

Finding the Fourth Proportional to 84,251.06, 126,334.20 and 28,071.26

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Solution

The fourth proportional to 84,251.06, 126,334.20 and 28,071.26 is: 42,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251.06 : 126,334.20 = 28,071.26 : x
  2. Step 2: Convert to fraction form
    84,251.06/126,334.20 = 28,071.26/x
  3. Step 3: Cross multiply
    84,251.06x = 126,334.20 × 28,071.26
  4. Step 4: Simplify right side
    84,251.06x = 3,546,360,175.09
  5. Step 5: Solve for x
    x = 3,546,360,175.09/84,251.06
  6. Step 6: Final answer
    x = 42,092.77

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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.