Home / 68,232.15-102,334.13-18,300.38

Finding the Fourth Proportional to 68,232.15, 102,334.13 and 18,300.38

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Solution

The fourth proportional to 68,232.15, 102,334.13 and 18,300.38 is: 27,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,232.15 : 102,334.13 = 18,300.38 : x
  2. Step 2: Convert to fraction form
    68,232.15/102,334.13 = 18,300.38/x
  3. Step 3: Cross multiply
    68,232.15x = 102,334.13 × 18,300.38
  4. Step 4: Simplify right side
    68,232.15x = 1,872,752,862.80
  5. Step 5: Solve for x
    x = 1,872,752,862.80/68,232.15
  6. Step 6: Final answer
    x = 27,446.78

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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.