Home / 71,965.12-107,954.88-22,044.64

Finding the Fourth Proportional to 71,965.12, 107,954.88 and 22,044.64

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Solution

The fourth proportional to 71,965.12, 107,954.88 and 22,044.64 is: 33,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,965.12 : 107,954.88 = 22,044.64 : x
  2. Step 2: Convert to fraction form
    71,965.12/107,954.88 = 22,044.64/x
  3. Step 3: Cross multiply
    71,965.12x = 107,954.88 × 22,044.64
  4. Step 4: Simplify right side
    71,965.12x = 2,379,826,465.84
  5. Step 5: Solve for x
    x = 2,379,826,465.84/71,965.12
  6. Step 6: Final answer
    x = 33,069.17

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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.