Home / 87,826.06-121,168.47-50,078.44

Finding the Fourth Proportional to 87,826.06, 121,168.47 and 50,078.44

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Solution

The fourth proportional to 87,826.06, 121,168.47 and 50,078.44 is: 69,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,826.06 : 121,168.47 = 50,078.44 : x
  2. Step 2: Convert to fraction form
    87,826.06/121,168.47 = 50,078.44/x
  3. Step 3: Cross multiply
    87,826.06x = 121,168.47 × 50,078.44
  4. Step 4: Simplify right side
    87,826.06x = 6,067,927,954.79
  5. Step 5: Solve for x
    x = 6,067,927,954.79/87,826.06
  6. Step 6: Final answer
    x = 69,090.29

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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.