Home / 68,211.82-94,132.53-39,537.11

Finding the Fourth Proportional to 68,211.82, 94,132.53 and 39,537.11

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Solution

The fourth proportional to 68,211.82, 94,132.53 and 39,537.11 is: 54,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,211.82 : 94,132.53 = 39,537.11 : x
  2. Step 2: Convert to fraction form
    68,211.82/94,132.53 = 39,537.11/x
  3. Step 3: Cross multiply
    68,211.82x = 94,132.53 × 39,537.11
  4. Step 4: Simplify right side
    68,211.82x = 3,721,728,428.52
  5. Step 5: Solve for x
    x = 3,721,728,428.52/68,211.82
  6. Step 6: Final answer
    x = 54,561.34

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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.