Home / 67,984.36-101,976.68-25,854.56

Finding the Fourth Proportional to 67,984.36, 101,976.68 and 25,854.56

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Solution

The fourth proportional to 67,984.36, 101,976.68 and 25,854.56 is: 38,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,984.36 : 101,976.68 = 25,854.56 : x
  2. Step 2: Convert to fraction form
    67,984.36/101,976.68 = 25,854.56/x
  3. Step 3: Cross multiply
    67,984.36x = 101,976.68 × 25,854.56
  4. Step 4: Simplify right side
    67,984.36x = 2,636,562,191.66
  5. Step 5: Solve for x
    x = 2,636,562,191.66/67,984.36
  6. Step 6: Final answer
    x = 38,781.89

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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.