Home / 84,049.30-126,063.54-34,081.36

Finding the Fourth Proportional to 84,049.30, 126,063.54 and 34,081.36

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Solution

The fourth proportional to 84,049.30, 126,063.54 and 34,081.36 is: 51,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,049.30 : 126,063.54 = 34,081.36 : x
  2. Step 2: Convert to fraction form
    84,049.30/126,063.54 = 34,081.36/x
  3. Step 3: Cross multiply
    84,049.30x = 126,063.54 × 34,081.36
  4. Step 4: Simplify right side
    84,049.30x = 4,296,416,574.46
  5. Step 5: Solve for x
    x = 4,296,416,574.46/84,049.30
  6. Step 6: Final answer
    x = 51,117.82

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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.