Home / 66,209.54-99,181.33-30,620.97

Finding the Fourth Proportional to 66,209.54, 99,181.33 and 30,620.97

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Solution

The fourth proportional to 66,209.54, 99,181.33 and 30,620.97 is: 45,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,209.54 : 99,181.33 = 30,620.97 : x
  2. Step 2: Convert to fraction form
    66,209.54/99,181.33 = 30,620.97/x
  3. Step 3: Cross multiply
    66,209.54x = 99,181.33 × 30,620.97
  4. Step 4: Simplify right side
    66,209.54x = 3,037,028,530.49
  5. Step 5: Solve for x
    x = 3,037,028,530.49/66,209.54
  6. Step 6: Final answer
    x = 45,869.95

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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.