Home / 84,659.54-126,996.22-42,517.95

Finding the Fourth Proportional to 84,659.54, 126,996.22 and 42,517.95

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Solution

The fourth proportional to 84,659.54, 126,996.22 and 42,517.95 is: 63,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,659.54 : 126,996.22 = 42,517.95 : x
  2. Step 2: Convert to fraction form
    84,659.54/126,996.22 = 42,517.95/x
  3. Step 3: Cross multiply
    84,659.54x = 126,996.22 × 42,517.95
  4. Step 4: Simplify right side
    84,659.54x = 5,399,618,509.06
  5. Step 5: Solve for x
    x = 5,399,618,509.06/84,659.54
  6. Step 6: Final answer
    x = 63,780.39

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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.