Home / 107,929.25-148,942.37-63,217.25

Finding the Fourth Proportional to 107,929.25, 148,942.37 and 63,217.25

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Solution

The fourth proportional to 107,929.25, 148,942.37 and 63,217.25 is: 87,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,929.25 : 148,942.37 = 63,217.25 : x
  2. Step 2: Convert to fraction form
    107,929.25/148,942.37 = 63,217.25/x
  3. Step 3: Cross multiply
    107,929.25x = 148,942.37 × 63,217.25
  4. Step 4: Simplify right side
    107,929.25x = 9,415,726,723.80
  5. Step 5: Solve for x
    x = 9,415,726,723.80/107,929.25
  6. Step 6: Final answer
    x = 87,239.81

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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.