Home / 87,964.84-131,965.98-25,630.12

Finding the Fourth Proportional to 87,964.84, 131,965.98 and 25,630.12

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Solution

The fourth proportional to 87,964.84, 131,965.98 and 25,630.12 is: 38,450.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,964.84 : 131,965.98 = 25,630.12 : x
  2. Step 2: Convert to fraction form
    87,964.84/131,965.98 = 25,630.12/x
  3. Step 3: Cross multiply
    87,964.84x = 131,965.98 × 25,630.12
  4. Step 4: Simplify right side
    87,964.84x = 3,382,303,903.32
  5. Step 5: Solve for x
    x = 3,382,303,903.32/87,964.84
  6. Step 6: Final answer
    x = 38,450.63

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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.