Home / 71,837.22-99,134.82-41,621.90

Finding the Fourth Proportional to 71,837.22, 99,134.82 and 41,621.90

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Solution

The fourth proportional to 71,837.22, 99,134.82 and 41,621.90 is: 57,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,837.22 : 99,134.82 = 41,621.90 : x
  2. Step 2: Convert to fraction form
    71,837.22/99,134.82 = 41,621.90/x
  3. Step 3: Cross multiply
    71,837.22x = 99,134.82 × 41,621.90
  4. Step 4: Simplify right side
    71,837.22x = 4,126,179,564.56
  5. Step 5: Solve for x
    x = 4,126,179,564.56/71,837.22
  6. Step 6: Final answer
    x = 57,437.91

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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.