Home / 107,993.44-148,934.05-67,711.60

Finding the Fourth Proportional to 107,993.44, 148,934.05 and 67,711.60

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Solution

The fourth proportional to 107,993.44, 148,934.05 and 67,711.60 is: 93,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,993.44 : 148,934.05 = 67,711.60 : x
  2. Step 2: Convert to fraction form
    107,993.44/148,934.05 = 67,711.60/x
  3. Step 3: Cross multiply
    107,993.44x = 148,934.05 × 67,711.60
  4. Step 4: Simplify right side
    107,993.44x = 10,084,562,819.98
  5. Step 5: Solve for x
    x = 10,084,562,819.98/107,993.44
  6. Step 6: Final answer
    x = 93,381.25

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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.