Home / 72,187.76-108,298.04-27,223.04

Finding the Fourth Proportional to 72,187.76, 108,298.04 and 27,223.04

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Solution

The fourth proportional to 72,187.76, 108,298.04 and 27,223.04 is: 40,840.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,187.76 : 108,298.04 = 27,223.04 : x
  2. Step 2: Convert to fraction form
    72,187.76/108,298.04 = 27,223.04/x
  3. Step 3: Cross multiply
    72,187.76x = 108,298.04 × 27,223.04
  4. Step 4: Simplify right side
    72,187.76x = 2,948,201,197.24
  5. Step 5: Solve for x
    x = 2,948,201,197.24/72,187.76
  6. Step 6: Final answer
    x = 40,840.74

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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.