Home / 60,066.20-90,100.38-18,512.12

Finding the Fourth Proportional to 60,066.20, 90,100.38 and 18,512.12

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Solution

The fourth proportional to 60,066.20, 90,100.38 and 18,512.12 is: 27,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,066.20 : 90,100.38 = 18,512.12 : x
  2. Step 2: Convert to fraction form
    60,066.20/90,100.38 = 18,512.12/x
  3. Step 3: Cross multiply
    60,066.20x = 90,100.38 × 18,512.12
  4. Step 4: Simplify right side
    60,066.20x = 1,667,949,046.61
  5. Step 5: Solve for x
    x = 1,667,949,046.61/60,066.20
  6. Step 6: Final answer
    x = 27,768.51

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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.