Home / 70,067.50-96,696.30-39,451.13

Finding the Fourth Proportional to 70,067.50, 96,696.30 and 39,451.13

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Solution

The fourth proportional to 70,067.50, 96,696.30 and 39,451.13 is: 54,444.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,067.50 : 96,696.30 = 39,451.13 : x
  2. Step 2: Convert to fraction form
    70,067.50/96,696.30 = 39,451.13/x
  3. Step 3: Cross multiply
    70,067.50x = 96,696.30 × 39,451.13
  4. Step 4: Simplify right side
    70,067.50x = 3,814,778,395.62
  5. Step 5: Solve for x
    x = 3,814,778,395.62/70,067.50
  6. Step 6: Final answer
    x = 54,444.34

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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.