Home / 70,067.12-96,694.67-38,238.05

Finding the Fourth Proportional to 70,067.12, 96,694.67 and 38,238.05

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Solution

The fourth proportional to 70,067.12, 96,694.67 and 38,238.05 is: 52,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,067.12 : 96,694.67 = 38,238.05 : x
  2. Step 2: Convert to fraction form
    70,067.12/96,694.67 = 38,238.05/x
  3. Step 3: Cross multiply
    70,067.12x = 96,694.67 × 38,238.05
  4. Step 4: Simplify right side
    70,067.12x = 3,697,415,963.53
  5. Step 5: Solve for x
    x = 3,697,415,963.53/70,067.12
  6. Step 6: Final answer
    x = 52,769.63

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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.