Home / 72,085.08-108,115.88-25,327.04

Finding the Fourth Proportional to 72,085.08, 108,115.88 and 25,327.04

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Solution

The fourth proportional to 72,085.08, 108,115.88 and 25,327.04 is: 37,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,085.08 : 108,115.88 = 25,327.04 : x
  2. Step 2: Convert to fraction form
    72,085.08/108,115.88 = 25,327.04/x
  3. Step 3: Cross multiply
    72,085.08x = 108,115.88 × 25,327.04
  4. Step 4: Simplify right side
    72,085.08x = 2,738,255,217.40
  5. Step 5: Solve for x
    x = 2,738,255,217.40/72,085.08
  6. Step 6: Final answer
    x = 37,986.44

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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.