Home / 71,418.06-98,554.08-39,151.98

Finding the Fourth Proportional to 71,418.06, 98,554.08 and 39,151.98

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Solution

The fourth proportional to 71,418.06, 98,554.08 and 39,151.98 is: 54,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,418.06 : 98,554.08 = 39,151.98 : x
  2. Step 2: Convert to fraction form
    71,418.06/98,554.08 = 39,151.98/x
  3. Step 3: Cross multiply
    71,418.06x = 98,554.08 × 39,151.98
  4. Step 4: Simplify right side
    71,418.06x = 3,858,587,369.08
  5. Step 5: Solve for x
    x = 3,858,587,369.08/71,418.06
  6. Step 6: Final answer
    x = 54,028.17

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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.