Home / 68,177.08-94,061.82-39,862.72

Finding the Fourth Proportional to 68,177.08, 94,061.82 and 39,862.72

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Solution

The fourth proportional to 68,177.08, 94,061.82 and 39,862.72 is: 54,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,177.08 : 94,061.82 = 39,862.72 : x
  2. Step 2: Convert to fraction form
    68,177.08/94,061.82 = 39,862.72/x
  3. Step 3: Cross multiply
    68,177.08x = 94,061.82 × 39,862.72
  4. Step 4: Simplify right side
    68,177.08x = 3,749,559,993.35
  5. Step 5: Solve for x
    x = 3,749,559,993.35/68,177.08
  6. Step 6: Final answer
    x = 54,997.37

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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.