Home / 67,985.43-101,962.77-25,850.49

Finding the Fourth Proportional to 67,985.43, 101,962.77 and 25,850.49

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Solution

The fourth proportional to 67,985.43, 101,962.77 and 25,850.49 is: 38,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,985.43 : 101,962.77 = 25,850.49 : x
  2. Step 2: Convert to fraction form
    67,985.43/101,962.77 = 25,850.49/x
  3. Step 3: Cross multiply
    67,985.43x = 101,962.77 × 25,850.49
  4. Step 4: Simplify right side
    67,985.43x = 2,635,787,566.26
  5. Step 5: Solve for x
    x = 2,635,787,566.26/67,985.43
  6. Step 6: Final answer
    x = 38,769.89

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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.