Home / 87,843.83-121,223.01-47,557.26

Finding the Fourth Proportional to 87,843.83, 121,223.01 and 47,557.26

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Solution

The fourth proportional to 87,843.83, 121,223.01 and 47,557.26 is: 65,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,843.83 : 121,223.01 = 47,557.26 : x
  2. Step 2: Convert to fraction form
    87,843.83/121,223.01 = 47,557.26/x
  3. Step 3: Cross multiply
    87,843.83x = 121,223.01 × 47,557.26
  4. Step 4: Simplify right side
    87,843.83x = 5,765,034,382.89
  5. Step 5: Solve for x
    x = 5,765,034,382.89/87,843.83
  6. Step 6: Final answer
    x = 65,628.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.