Home / 71,832.29-99,128.57-41,635.13

Finding the Fourth Proportional to 71,832.29, 99,128.57 and 41,635.13

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Solution

The fourth proportional to 71,832.29, 99,128.57 and 41,635.13 is: 57,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,832.29 : 99,128.57 = 41,635.13 : x
  2. Step 2: Convert to fraction form
    71,832.29/99,128.57 = 41,635.13/x
  3. Step 3: Cross multiply
    71,832.29x = 99,128.57 × 41,635.13
  4. Step 4: Simplify right side
    71,832.29x = 4,127,230,194.85
  5. Step 5: Solve for x
    x = 4,127,230,194.85/71,832.29
  6. Step 6: Final answer
    x = 57,456.48

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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.