Home / 67,905.18-101,863.22-25,805.43

Finding the Fourth Proportional to 67,905.18, 101,863.22 and 25,805.43

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Solution

The fourth proportional to 67,905.18, 101,863.22 and 25,805.43 is: 38,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,905.18 : 101,863.22 = 25,805.43 : x
  2. Step 2: Convert to fraction form
    67,905.18/101,863.22 = 25,805.43/x
  3. Step 3: Cross multiply
    67,905.18x = 101,863.22 × 25,805.43
  4. Step 4: Simplify right side
    67,905.18x = 2,628,624,064.26
  5. Step 5: Solve for x
    x = 2,628,624,064.26/67,905.18
  6. Step 6: Final answer
    x = 38,710.21

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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.