Home / 68,819.13-103,218.98-22,065.93

Finding the Fourth Proportional to 68,819.13, 103,218.98 and 22,065.93

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Solution

The fourth proportional to 68,819.13, 103,218.98 and 22,065.93 is: 33,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,819.13 : 103,218.98 = 22,065.93 : x
  2. Step 2: Convert to fraction form
    68,819.13/103,218.98 = 22,065.93/x
  3. Step 3: Cross multiply
    68,819.13x = 103,218.98 × 22,065.93
  4. Step 4: Simplify right side
    68,819.13x = 2,277,622,677.02
  5. Step 5: Solve for x
    x = 2,277,622,677.02/68,819.13
  6. Step 6: Final answer
    x = 33,095.78

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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.