Home / 68,121.52-94,006.26-39,442.42

Finding the Fourth Proportional to 68,121.52, 94,006.26 and 39,442.42

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Solution

The fourth proportional to 68,121.52, 94,006.26 and 39,442.42 is: 54,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,121.52 : 94,006.26 = 39,442.42 : x
  2. Step 2: Convert to fraction form
    68,121.52/94,006.26 = 39,442.42/x
  3. Step 3: Cross multiply
    68,121.52x = 94,006.26 × 39,442.42
  4. Step 4: Simplify right side
    68,121.52x = 3,707,834,389.55
  5. Step 5: Solve for x
    x = 3,707,834,389.55/68,121.52
  6. Step 6: Final answer
    x = 54,429.71

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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.