Home / 72,211.19-108,326.49-25,453.13

Finding the Fourth Proportional to 72,211.19, 108,326.49 and 25,453.13

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Solution

The fourth proportional to 72,211.19, 108,326.49 and 25,453.13 is: 38,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,211.19 : 108,326.49 = 25,453.13 : x
  2. Step 2: Convert to fraction form
    72,211.19/108,326.49 = 25,453.13/x
  3. Step 3: Cross multiply
    72,211.19x = 108,326.49 × 25,453.13
  4. Step 4: Simplify right side
    72,211.19x = 2,757,247,690.78
  5. Step 5: Solve for x
    x = 2,757,247,690.78/72,211.19
  6. Step 6: Final answer
    x = 38,183.11

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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.