Home / 71,182.62-98,232.66-38,918.16

Finding the Fourth Proportional to 71,182.62, 98,232.66 and 38,918.16

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Solution

The fourth proportional to 71,182.62, 98,232.66 and 38,918.16 is: 53,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,182.62 : 98,232.66 = 38,918.16 : x
  2. Step 2: Convert to fraction form
    71,182.62/98,232.66 = 38,918.16/x
  3. Step 3: Cross multiply
    71,182.62x = 98,232.66 × 38,918.16
  4. Step 4: Simplify right side
    71,182.62x = 3,823,034,379.11
  5. Step 5: Solve for x
    x = 3,823,034,379.11/71,182.62
  6. Step 6: Final answer
    x = 53,707.41

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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.