Home / 71,073.96-98,081.38-39,242.18

Finding the Fourth Proportional to 71,073.96, 98,081.38 and 39,242.18

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Solution

The fourth proportional to 71,073.96, 98,081.38 and 39,242.18 is: 54,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,073.96 : 98,081.38 = 39,242.18 : x
  2. Step 2: Convert to fraction form
    71,073.96/98,081.38 = 39,242.18/x
  3. Step 3: Cross multiply
    71,073.96x = 98,081.38 × 39,242.18
  4. Step 4: Simplify right side
    71,073.96x = 3,848,927,168.61
  5. Step 5: Solve for x
    x = 3,848,927,168.61/71,073.96
  6. Step 6: Final answer
    x = 54,153.83

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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.