Home / 72,714.03-100,304.38-43,634.87

Finding the Fourth Proportional to 72,714.03, 100,304.38 and 43,634.87

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Solution

The fourth proportional to 72,714.03, 100,304.38 and 43,634.87 is: 60,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,714.03 : 100,304.38 = 43,634.87 : x
  2. Step 2: Convert to fraction form
    72,714.03/100,304.38 = 43,634.87/x
  3. Step 3: Cross multiply
    72,714.03x = 100,304.38 × 43,634.87
  4. Step 4: Simplify right side
    72,714.03x = 4,376,768,723.40
  5. Step 5: Solve for x
    x = 4,376,768,723.40/72,714.03
  6. Step 6: Final answer
    x = 60,191.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.