Home / 71,353.13-98,467.31-39,524.09

Finding the Fourth Proportional to 71,353.13, 98,467.31 and 39,524.09

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Solution

The fourth proportional to 71,353.13, 98,467.31 and 39,524.09 is: 54,543.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,353.13 : 98,467.31 = 39,524.09 : x
  2. Step 2: Convert to fraction form
    71,353.13/98,467.31 = 39,524.09/x
  3. Step 3: Cross multiply
    71,353.13x = 98,467.31 × 39,524.09
  4. Step 4: Simplify right side
    71,353.13x = 3,891,830,428.97
  5. Step 5: Solve for x
    x = 3,891,830,428.97/71,353.13
  6. Step 6: Final answer
    x = 54,543.24

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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.