Home / 87,055.97-130,580.31-27,890.33

Finding the Fourth Proportional to 87,055.97, 130,580.31 and 27,890.33

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Solution

The fourth proportional to 87,055.97, 130,580.31 and 27,890.33 is: 41,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,055.97 : 130,580.31 = 27,890.33 : x
  2. Step 2: Convert to fraction form
    87,055.97/130,580.31 = 27,890.33/x
  3. Step 3: Cross multiply
    87,055.97x = 130,580.31 × 27,890.33
  4. Step 4: Simplify right side
    87,055.97x = 3,641,928,263.85
  5. Step 5: Solve for x
    x = 3,641,928,263.85/87,055.97
  6. Step 6: Final answer
    x = 41,834.33

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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.