Home / 47,968.86-66,215.27-36,066.78

Finding the Fourth Proportional to 47,968.86, 66,215.27 and 36,066.78

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Solution

The fourth proportional to 47,968.86, 66,215.27 and 36,066.78 is: 49,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,968.86 : 66,215.27 = 36,066.78 : x
  2. Step 2: Convert to fraction form
    47,968.86/66,215.27 = 36,066.78/x
  3. Step 3: Cross multiply
    47,968.86x = 66,215.27 × 36,066.78
  4. Step 4: Simplify right side
    47,968.86x = 2,388,171,575.73
  5. Step 5: Solve for x
    x = 2,388,171,575.73/47,968.86
  6. Step 6: Final answer
    x = 49,785.87

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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.