Home / 87,900.16-131,848.08-25,571.20

Finding the Fourth Proportional to 87,900.16, 131,848.08 and 25,571.20

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Solution

The fourth proportional to 87,900.16, 131,848.08 and 25,571.20 is: 38,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,900.16 : 131,848.08 = 25,571.20 : x
  2. Step 2: Convert to fraction form
    87,900.16/131,848.08 = 25,571.20/x
  3. Step 3: Cross multiply
    87,900.16x = 131,848.08 × 25,571.20
  4. Step 4: Simplify right side
    87,900.16x = 3,371,513,623.30
  5. Step 5: Solve for x
    x = 3,371,513,623.30/87,900.16
  6. Step 6: Final answer
    x = 38,356.17

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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.