Home / 89,091.21-122,945.91-48,806.44

Finding the Fourth Proportional to 89,091.21, 122,945.91 and 48,806.44

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Solution

The fourth proportional to 89,091.21, 122,945.91 and 48,806.44 is: 67,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,091.21 : 122,945.91 = 48,806.44 : x
  2. Step 2: Convert to fraction form
    89,091.21/122,945.91 = 48,806.44/x
  3. Step 3: Cross multiply
    89,091.21x = 122,945.91 × 48,806.44
  4. Step 4: Simplify right side
    89,091.21x = 6,000,552,179.66
  5. Step 5: Solve for x
    x = 6,000,552,179.66/89,091.21
  6. Step 6: Final answer
    x = 67,352.91

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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.