Home / 87,223.26-130,751.85-28,017.42

Finding the Fourth Proportional to 87,223.26, 130,751.85 and 28,017.42

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Solution

The fourth proportional to 87,223.26, 130,751.85 and 28,017.42 is: 41,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,223.26 : 130,751.85 = 28,017.42 : x
  2. Step 2: Convert to fraction form
    87,223.26/130,751.85 = 28,017.42/x
  3. Step 3: Cross multiply
    87,223.26x = 130,751.85 × 28,017.42
  4. Step 4: Simplify right side
    87,223.26x = 3,663,329,497.23
  5. Step 5: Solve for x
    x = 3,663,329,497.23/87,223.26
  6. Step 6: Final answer
    x = 41,999.46

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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.