Home / 67,979.53-101,934.26-30,507.47

Finding the Fourth Proportional to 67,979.53, 101,934.26 and 30,507.47

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Solution

The fourth proportional to 67,979.53, 101,934.26 and 30,507.47 is: 45,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,979.53 : 101,934.26 = 30,507.47 : x
  2. Step 2: Convert to fraction form
    67,979.53/101,934.26 = 30,507.47/x
  3. Step 3: Cross multiply
    67,979.53x = 101,934.26 × 30,507.47
  4. Step 4: Simplify right side
    67,979.53x = 3,109,756,872.55
  5. Step 5: Solve for x
    x = 3,109,756,872.55/67,979.53
  6. Step 6: Final answer
    x = 45,745.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.