Home / 45,650.64-68,376.08-28,067.12

Finding the Fourth Proportional to 45,650.64, 68,376.08 and 28,067.12

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Solution

The fourth proportional to 45,650.64, 68,376.08 and 28,067.12 is: 42,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,650.64 : 68,376.08 = 28,067.12 : x
  2. Step 2: Convert to fraction form
    45,650.64/68,376.08 = 28,067.12/x
  3. Step 3: Cross multiply
    45,650.64x = 68,376.08 × 28,067.12
  4. Step 4: Simplify right side
    45,650.64x = 1,919,119,642.49
  5. Step 5: Solve for x
    x = 1,919,119,642.49/45,650.64
  6. Step 6: Final answer
    x = 42,039.27

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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.