Home / 63,171.36-87,175.44-34,879.68

Finding the Fourth Proportional to 63,171.36, 87,175.44 and 34,879.68

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Solution

The fourth proportional to 63,171.36, 87,175.44 and 34,879.68 is: 48,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,171.36 : 87,175.44 = 34,879.68 : x
  2. Step 2: Convert to fraction form
    63,171.36/87,175.44 = 34,879.68/x
  3. Step 3: Cross multiply
    63,171.36x = 87,175.44 × 34,879.68
  4. Step 4: Simplify right side
    63,171.36x = 3,040,651,451.06
  5. Step 5: Solve for x
    x = 3,040,651,451.06/63,171.36
  6. Step 6: Final answer
    x = 48,133.39

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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.