Home / 88,884.19-122,667.78-50,655.43

Finding the Fourth Proportional to 88,884.19, 122,667.78 and 50,655.43

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Solution

The fourth proportional to 88,884.19, 122,667.78 and 50,655.43 is: 69,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,884.19 : 122,667.78 = 50,655.43 : x
  2. Step 2: Convert to fraction form
    88,884.19/122,667.78 = 50,655.43/x
  3. Step 3: Cross multiply
    88,884.19x = 122,667.78 × 50,655.43
  4. Step 4: Simplify right side
    88,884.19x = 6,213,789,143.05
  5. Step 5: Solve for x
    x = 6,213,789,143.05/88,884.19
  6. Step 6: Final answer
    x = 69,908.82

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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.