Home / 71,696.80-98,941.68-39,868.96

Finding the Fourth Proportional to 71,696.80, 98,941.68 and 39,868.96

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Solution

The fourth proportional to 71,696.80, 98,941.68 and 39,868.96 is: 55,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,696.80 : 98,941.68 = 39,868.96 : x
  2. Step 2: Convert to fraction form
    71,696.80/98,941.68 = 39,868.96/x
  3. Step 3: Cross multiply
    71,696.80x = 98,941.68 × 39,868.96
  4. Step 4: Simplify right side
    71,696.80x = 3,944,701,882.25
  5. Step 5: Solve for x
    x = 3,944,701,882.25/71,696.80
  6. Step 6: Final answer
    x = 55,019.22

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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.