Home / 71,990.54-108,001.32-22,074.10

Finding the Fourth Proportional to 71,990.54, 108,001.32 and 22,074.10

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Solution

The fourth proportional to 71,990.54, 108,001.32 and 22,074.10 is: 33,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,990.54 : 108,001.32 = 22,074.10 : x
  2. Step 2: Convert to fraction form
    71,990.54/108,001.32 = 22,074.10/x
  3. Step 3: Cross multiply
    71,990.54x = 108,001.32 × 22,074.10
  4. Step 4: Simplify right side
    71,990.54x = 2,384,031,937.81
  5. Step 5: Solve for x
    x = 2,384,031,937.81/71,990.54
  6. Step 6: Final answer
    x = 33,115.91

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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.