Home / 84,287.26-126,449.37-31,696.73

Finding the Fourth Proportional to 84,287.26, 126,449.37 and 31,696.73

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Solution

The fourth proportional to 84,287.26, 126,449.37 and 31,696.73 is: 47,552.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,287.26 : 126,449.37 = 31,696.73 : x
  2. Step 2: Convert to fraction form
    84,287.26/126,449.37 = 31,696.73/x
  3. Step 3: Cross multiply
    84,287.26x = 126,449.37 × 31,696.73
  4. Step 4: Simplify right side
    84,287.26x = 4,008,031,539.56
  5. Step 5: Solve for x
    x = 4,008,031,539.56/84,287.26
  6. Step 6: Final answer
    x = 47,552.04

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1.5x scale

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.