Home / 99,767.28-149,618.16-33,189.12

Finding the Fourth Proportional to 99,767.28, 149,618.16 and 33,189.12

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Solution

The fourth proportional to 99,767.28, 149,618.16 and 33,189.12 is: 49,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,767.28 : 149,618.16 = 33,189.12 : x
  2. Step 2: Convert to fraction form
    99,767.28/149,618.16 = 33,189.12/x
  3. Step 3: Cross multiply
    99,767.28x = 149,618.16 × 33,189.12
  4. Step 4: Simplify right side
    99,767.28x = 4,965,695,066.42
  5. Step 5: Solve for x
    x = 4,965,695,066.42/99,767.28
  6. Step 6: Final answer
    x = 49,772.78

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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.