Home / 71,525.12-98,704.82-39,694.08

Finding the Fourth Proportional to 71,525.12, 98,704.82 and 39,694.08

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Solution

The fourth proportional to 71,525.12, 98,704.82 and 39,694.08 is: 54,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,525.12 : 98,704.82 = 39,694.08 : x
  2. Step 2: Convert to fraction form
    71,525.12/98,704.82 = 39,694.08/x
  3. Step 3: Cross multiply
    71,525.12x = 98,704.82 × 39,694.08
  4. Step 4: Simplify right side
    71,525.12x = 3,917,997,021.47
  5. Step 5: Solve for x
    x = 3,917,997,021.47/71,525.12
  6. Step 6: Final answer
    x = 54,777.92

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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.