Home / 107,983.37-148,919.91-67,701.26

Finding the Fourth Proportional to 107,983.37, 148,919.91 and 67,701.26

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Solution

The fourth proportional to 107,983.37, 148,919.91 and 67,701.26 is: 93,366.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,983.37 : 148,919.91 = 67,701.26 : x
  2. Step 2: Convert to fraction form
    107,983.37/148,919.91 = 67,701.26/x
  3. Step 3: Cross multiply
    107,983.37x = 148,919.91 × 67,701.26
  4. Step 4: Simplify right side
    107,983.37x = 10,082,065,546.09
  5. Step 5: Solve for x
    x = 10,082,065,546.09/107,983.37
  6. Step 6: Final answer
    x = 93,366.84

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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.