Home / 71,644.06-98,868.09-39,812.29

Finding the Fourth Proportional to 71,644.06, 98,868.09 and 39,812.29

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Solution

The fourth proportional to 71,644.06, 98,868.09 and 39,812.29 is: 54,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,644.06 : 98,868.09 = 39,812.29 : x
  2. Step 2: Convert to fraction form
    71,644.06/98,868.09 = 39,812.29/x
  3. Step 3: Cross multiply
    71,644.06x = 98,868.09 × 39,812.29
  4. Step 4: Simplify right side
    71,644.06x = 3,936,165,070.83
  5. Step 5: Solve for x
    x = 3,936,165,070.83/71,644.06
  6. Step 6: Final answer
    x = 54,940.56

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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.