Home / 88,394.88-121,997.54-50,163.82

Finding the Fourth Proportional to 88,394.88, 121,997.54 and 50,163.82

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Solution

The fourth proportional to 88,394.88, 121,997.54 and 50,163.82 is: 69,233.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,394.88 : 121,997.54 = 50,163.82 : x
  2. Step 2: Convert to fraction form
    88,394.88/121,997.54 = 50,163.82/x
  3. Step 3: Cross multiply
    88,394.88x = 121,997.54 × 50,163.82
  4. Step 4: Simplify right side
    88,394.88x = 6,119,862,637.00
  5. Step 5: Solve for x
    x = 6,119,862,637.00/88,394.88
  6. Step 6: Final answer
    x = 69,233.23

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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.