Home / 87,966.84-131,968.98-25,632.12

Finding the Fourth Proportional to 87,966.84, 131,968.98 and 25,632.12

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Solution

The fourth proportional to 87,966.84, 131,968.98 and 25,632.12 is: 38,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,966.84 : 131,968.98 = 25,632.12 : x
  2. Step 2: Convert to fraction form
    87,966.84/131,968.98 = 25,632.12/x
  3. Step 3: Cross multiply
    87,966.84x = 131,968.98 × 25,632.12
  4. Step 4: Simplify right side
    87,966.84x = 3,382,644,731.64
  5. Step 5: Solve for x
    x = 3,382,644,731.64/87,966.84
  6. Step 6: Final answer
    x = 38,453.63

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1.5x scale

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.