Home / 70,067.04-96,695.42-39,857.69

Finding the Fourth Proportional to 70,067.04, 96,695.42 and 39,857.69

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Solution

The fourth proportional to 70,067.04, 96,695.42 and 39,857.69 is: 55,005.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,067.04 : 96,695.42 = 39,857.69 : x
  2. Step 2: Convert to fraction form
    70,067.04/96,695.42 = 39,857.69/x
  3. Step 3: Cross multiply
    70,067.04x = 96,695.42 × 39,857.69
  4. Step 4: Simplify right side
    70,067.04x = 3,854,056,074.78
  5. Step 5: Solve for x
    x = 3,854,056,074.78/70,067.04
  6. Step 6: Final answer
    x = 55,005.26

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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.