Home / 88,899.68-122,680.37-50,661.50

Finding the Fourth Proportional to 88,899.68, 122,680.37 and 50,661.50

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Solution

The fourth proportional to 88,899.68, 122,680.37 and 50,661.50 is: 69,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,899.68 : 122,680.37 = 50,661.50 : x
  2. Step 2: Convert to fraction form
    88,899.68/122,680.37 = 50,661.50/x
  3. Step 3: Cross multiply
    88,899.68x = 122,680.37 × 50,661.50
  4. Step 4: Simplify right side
    88,899.68x = 6,215,171,768.08
  5. Step 5: Solve for x
    x = 6,215,171,768.08/88,899.68
  6. Step 6: Final answer
    x = 69,912.20

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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.