Home / 72,440.30-108,514.65-48,820.70

Finding the Fourth Proportional to 72,440.30, 108,514.65 and 48,820.70

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Solution

The fourth proportional to 72,440.30, 108,514.65 and 48,820.70 is: 73,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,440.30 : 108,514.65 = 48,820.70 : x
  2. Step 2: Convert to fraction form
    72,440.30/108,514.65 = 48,820.70/x
  3. Step 3: Cross multiply
    72,440.30x = 108,514.65 × 48,820.70
  4. Step 4: Simplify right side
    72,440.30x = 5,297,761,173.26
  5. Step 5: Solve for x
    x = 5,297,761,173.26/72,440.30
  6. Step 6: Final answer
    x = 73,132.79

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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.