Home / 99,091.44-148,650.39-28,969.74

Finding the Fourth Proportional to 99,091.44, 148,650.39 and 28,969.74

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Solution

The fourth proportional to 99,091.44, 148,650.39 and 28,969.74 is: 43,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,091.44 : 148,650.39 = 28,969.74 : x
  2. Step 2: Convert to fraction form
    99,091.44/148,650.39 = 28,969.74/x
  3. Step 3: Cross multiply
    99,091.44x = 148,650.39 × 28,969.74
  4. Step 4: Simplify right side
    99,091.44x = 4,306,363,149.20
  5. Step 5: Solve for x
    x = 4,306,363,149.20/99,091.44
  6. Step 6: Final answer
    x = 43,458.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.