Home / 88,163.70-121,667.36-49,922.24

Finding the Fourth Proportional to 88,163.70, 121,667.36 and 49,922.24

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Solution

The fourth proportional to 88,163.70, 121,667.36 and 49,922.24 is: 68,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,163.70 : 121,667.36 = 49,922.24 : x
  2. Step 2: Convert to fraction form
    88,163.70/121,667.36 = 49,922.24/x
  3. Step 3: Cross multiply
    88,163.70x = 121,667.36 × 49,922.24
  4. Step 4: Simplify right side
    88,163.70x = 6,073,906,288.14
  5. Step 5: Solve for x
    x = 6,073,906,288.14/88,163.70
  6. Step 6: Final answer
    x = 68,893.50

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1.5x scale

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.