Home / 87,060.28-130,571.91-27,880.06

Finding the Fourth Proportional to 87,060.28, 130,571.91 and 27,880.06

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Solution

The fourth proportional to 87,060.28, 130,571.91 and 27,880.06 is: 41,814.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,060.28 : 130,571.91 = 27,880.06 : x
  2. Step 2: Convert to fraction form
    87,060.28/130,571.91 = 27,880.06/x
  3. Step 3: Cross multiply
    87,060.28x = 130,571.91 × 27,880.06
  4. Step 4: Simplify right side
    87,060.28x = 3,640,352,685.11
  5. Step 5: Solve for x
    x = 3,640,352,685.11/87,060.28
  6. Step 6: Final answer
    x = 41,814.16

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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.