Home / 67,905.43-101,863.59-25,805.68

Finding the Fourth Proportional to 67,905.43, 101,863.59 and 25,805.68

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Solution

The fourth proportional to 67,905.43, 101,863.59 and 25,805.68 is: 38,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,905.43 : 101,863.59 = 25,805.68 : x
  2. Step 2: Convert to fraction form
    67,905.43/101,863.59 = 25,805.68/x
  3. Step 3: Cross multiply
    67,905.43x = 101,863.59 × 25,805.68
  4. Step 4: Simplify right side
    67,905.43x = 2,628,659,207.19
  5. Step 5: Solve for x
    x = 2,628,659,207.19/67,905.43
  6. Step 6: Final answer
    x = 38,710.59

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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.