Home / 87,058.28-130,568.91-27,878.06

Finding the Fourth Proportional to 87,058.28, 130,568.91 and 27,878.06

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Solution

The fourth proportional to 87,058.28, 130,568.91 and 27,878.06 is: 41,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,058.28 : 130,568.91 = 27,878.06 : x
  2. Step 2: Convert to fraction form
    87,058.28/130,568.91 = 27,878.06/x
  3. Step 3: Cross multiply
    87,058.28x = 130,568.91 × 27,878.06
  4. Step 4: Simplify right side
    87,058.28x = 3,640,007,254.27
  5. Step 5: Solve for x
    x = 3,640,007,254.27/87,058.28
  6. Step 6: Final answer
    x = 41,811.16

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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.