Home / 53,942.20-80,870.10-22,751.80

Finding the Fourth Proportional to 53,942.20, 80,870.10 and 22,751.80

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Solution

The fourth proportional to 53,942.20, 80,870.10 and 22,751.80 is: 34,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,942.20 : 80,870.10 = 22,751.80 : x
  2. Step 2: Convert to fraction form
    53,942.20/80,870.10 = 22,751.80/x
  3. Step 3: Cross multiply
    53,942.20x = 80,870.10 × 22,751.80
  4. Step 4: Simplify right side
    53,942.20x = 1,839,940,341.18
  5. Step 5: Solve for x
    x = 1,839,940,341.18/53,942.20
  6. Step 6: Final answer
    x = 34,109.48

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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.