Home / 72,326.06-108,506.42-30,182.70

Finding the Fourth Proportional to 72,326.06, 108,506.42 and 30,182.70

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Solution

The fourth proportional to 72,326.06, 108,506.42 and 30,182.70 is: 45,281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,326.06 : 108,506.42 = 30,182.70 : x
  2. Step 2: Convert to fraction form
    72,326.06/108,506.42 = 30,182.70/x
  3. Step 3: Cross multiply
    72,326.06x = 108,506.42 × 30,182.70
  4. Step 4: Simplify right side
    72,326.06x = 3,275,016,029.49
  5. Step 5: Solve for x
    x = 3,275,016,029.49/72,326.06
  6. Step 6: Final answer
    x = 45,281.27

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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.