Home / 87,829.06-121,172.61-50,081.44

Finding the Fourth Proportional to 87,829.06, 121,172.61 and 50,081.44

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Solution

The fourth proportional to 87,829.06, 121,172.61 and 50,081.44 is: 69,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,829.06 : 121,172.61 = 50,081.44 : x
  2. Step 2: Convert to fraction form
    87,829.06/121,172.61 = 50,081.44/x
  3. Step 3: Cross multiply
    87,829.06x = 121,172.61 × 50,081.44
  4. Step 4: Simplify right side
    87,829.06x = 6,068,498,797.36
  5. Step 5: Solve for x
    x = 6,068,498,797.36/87,829.06
  6. Step 6: Final answer
    x = 69,094.43

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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.