Home / 67,934.90-101,853.15-34,221.69

Finding the Fourth Proportional to 67,934.90, 101,853.15 and 34,221.69

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Solution

The fourth proportional to 67,934.90, 101,853.15 and 34,221.69 is: 51,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,934.90 : 101,853.15 = 34,221.69 : x
  2. Step 2: Convert to fraction form
    67,934.90/101,853.15 = 34,221.69/x
  3. Step 3: Cross multiply
    67,934.90x = 101,853.15 × 34,221.69
  4. Step 4: Simplify right side
    67,934.90x = 3,485,586,796.49
  5. Step 5: Solve for x
    x = 3,485,586,796.49/67,934.90
  6. Step 6: Final answer
    x = 51,307.75

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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.