Home / 68,790.36-103,200.30-22,042.92

Finding the Fourth Proportional to 68,790.36, 103,200.30 and 22,042.92

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Solution

The fourth proportional to 68,790.36, 103,200.30 and 22,042.92 is: 33,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,790.36 : 103,200.30 = 22,042.92 : x
  2. Step 2: Convert to fraction form
    68,790.36/103,200.30 = 22,042.92/x
  3. Step 3: Cross multiply
    68,790.36x = 103,200.30 × 22,042.92
  4. Step 4: Simplify right side
    68,790.36x = 2,274,835,956.88
  5. Step 5: Solve for x
    x = 2,274,835,956.88/68,790.36
  6. Step 6: Final answer
    x = 33,069.11

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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.