Home / 88,526.78-122,163.14-50,286.20

Finding the Fourth Proportional to 88,526.78, 122,163.14 and 50,286.20

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Solution

The fourth proportional to 88,526.78, 122,163.14 and 50,286.20 is: 69,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,526.78 : 122,163.14 = 50,286.20 : x
  2. Step 2: Convert to fraction form
    88,526.78/122,163.14 = 50,286.20/x
  3. Step 3: Cross multiply
    88,526.78x = 122,163.14 × 50,286.20
  4. Step 4: Simplify right side
    88,526.78x = 6,143,120,090.67
  5. Step 5: Solve for x
    x = 6,143,120,090.67/88,526.78
  6. Step 6: Final answer
    x = 69,392.79

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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.