Home / 71,625.06-98,841.87-39,793.28

Finding the Fourth Proportional to 71,625.06, 98,841.87 and 39,793.28

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Solution

The fourth proportional to 71,625.06, 98,841.87 and 39,793.28 is: 54,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,625.06 : 98,841.87 = 39,793.28 : x
  2. Step 2: Convert to fraction form
    71,625.06/98,841.87 = 39,793.28/x
  3. Step 3: Cross multiply
    71,625.06x = 98,841.87 × 39,793.28
  4. Step 4: Simplify right side
    71,625.06x = 3,933,241,714.42
  5. Step 5: Solve for x
    x = 3,933,241,714.42/71,625.06
  6. Step 6: Final answer
    x = 54,914.32

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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.