Home / 72,370.26-108,451.98-40,714.20

Finding the Fourth Proportional to 72,370.26, 108,451.98 and 40,714.20

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Solution

The fourth proportional to 72,370.26, 108,451.98 and 40,714.20 is: 61,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,370.26 : 108,451.98 = 40,714.20 : x
  2. Step 2: Convert to fraction form
    72,370.26/108,451.98 = 40,714.20/x
  3. Step 3: Cross multiply
    72,370.26x = 108,451.98 × 40,714.20
  4. Step 4: Simplify right side
    72,370.26x = 4,415,535,604.12
  5. Step 5: Solve for x
    x = 4,415,535,604.12/72,370.26
  6. Step 6: Final answer
    x = 61,013.12

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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.