Home / 72,196.11-108,289.31-25,442.91

Finding the Fourth Proportional to 72,196.11, 108,289.31 and 25,442.91

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Solution

The fourth proportional to 72,196.11, 108,289.31 and 25,442.91 is: 38,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,196.11 : 108,289.31 = 25,442.91 : x
  2. Step 2: Convert to fraction form
    72,196.11/108,289.31 = 25,442.91/x
  3. Step 3: Cross multiply
    72,196.11x = 108,289.31 × 25,442.91
  4. Step 4: Simplify right side
    72,196.11x = 2,755,195,041.08
  5. Step 5: Solve for x
    x = 2,755,195,041.08/72,196.11
  6. Step 6: Final answer
    x = 38,162.65

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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.