Home / 68,202.27-94,121.75-39,522.91

Finding the Fourth Proportional to 68,202.27, 94,121.75 and 39,522.91

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Solution

The fourth proportional to 68,202.27, 94,121.75 and 39,522.91 is: 54,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,202.27 : 94,121.75 = 39,522.91 : x
  2. Step 2: Convert to fraction form
    68,202.27/94,121.75 = 39,522.91/x
  3. Step 3: Cross multiply
    68,202.27x = 94,121.75 × 39,522.91
  4. Step 4: Simplify right side
    68,202.27x = 3,719,965,454.29
  5. Step 5: Solve for x
    x = 3,719,965,454.29/68,202.27
  6. Step 6: Final answer
    x = 54,543.13

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1.5x scale

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.