Home / 88,620.57-122,321.68-50,400.72

Finding the Fourth Proportional to 88,620.57, 122,321.68 and 50,400.72

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Solution

The fourth proportional to 88,620.57, 122,321.68 and 50,400.72 is: 69,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,620.57 : 122,321.68 = 50,400.72 : x
  2. Step 2: Convert to fraction form
    88,620.57/122,321.68 = 50,400.72/x
  3. Step 3: Cross multiply
    88,620.57x = 122,321.68 × 50,400.72
  4. Step 4: Simplify right side
    88,620.57x = 6,165,100,617.61
  5. Step 5: Solve for x
    x = 6,165,100,617.61/88,620.57
  6. Step 6: Final answer
    x = 69,567.38

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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.