Home / 88,338.90-121,910.85-50,620.44

Finding the Fourth Proportional to 88,338.90, 121,910.85 and 50,620.44

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Solution

The fourth proportional to 88,338.90, 121,910.85 and 50,620.44 is: 69,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,338.90 : 121,910.85 = 50,620.44 : x
  2. Step 2: Convert to fraction form
    88,338.90/121,910.85 = 50,620.44/x
  3. Step 3: Cross multiply
    88,338.90x = 121,910.85 × 50,620.44
  4. Step 4: Simplify right side
    88,338.90x = 6,171,180,867.77
  5. Step 5: Solve for x
    x = 6,171,180,867.77/88,338.90
  6. Step 6: Final answer
    x = 69,858.02

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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.