Home / 71,327.66-98,431.22-39,061.92

Finding the Fourth Proportional to 71,327.66, 98,431.22 and 39,061.92

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Solution

The fourth proportional to 71,327.66, 98,431.22 and 39,061.92 is: 53,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327.66 : 98,431.22 = 39,061.92 : x
  2. Step 2: Convert to fraction form
    71,327.66/98,431.22 = 39,061.92/x
  3. Step 3: Cross multiply
    71,327.66x = 98,431.22 × 39,061.92
  4. Step 4: Simplify right side
    71,327.66x = 3,844,912,441.14
  5. Step 5: Solve for x
    x = 3,844,912,441.14/71,327.66
  6. Step 6: Final answer
    x = 53,904.93

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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.