Home / 71,748.18-99,010.96-41,534.78

Finding the Fourth Proportional to 71,748.18, 99,010.96 and 41,534.78

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Solution

The fourth proportional to 71,748.18, 99,010.96 and 41,534.78 is: 57,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,748.18 : 99,010.96 = 41,534.78 : x
  2. Step 2: Convert to fraction form
    71,748.18/99,010.96 = 41,534.78/x
  3. Step 3: Cross multiply
    71,748.18x = 99,010.96 × 41,534.78
  4. Step 4: Simplify right side
    71,748.18x = 4,112,397,842.30
  5. Step 5: Solve for x
    x = 4,112,397,842.30/71,748.18
  6. Step 6: Final answer
    x = 57,317.10

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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.