Home / 115,463.84-159,331.68-67,043.64

Finding the Fourth Proportional to 115,463.84, 159,331.68 and 67,043.64

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Solution

The fourth proportional to 115,463.84, 159,331.68 and 67,043.64 is: 92,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,463.84 : 159,331.68 = 67,043.64 : x
  2. Step 2: Convert to fraction form
    115,463.84/159,331.68 = 67,043.64/x
  3. Step 3: Cross multiply
    115,463.84x = 159,331.68 × 67,043.64
  4. Step 4: Simplify right side
    115,463.84x = 10,682,175,794.52
  5. Step 5: Solve for x
    x = 10,682,175,794.52/115,463.84
  6. Step 6: Final answer
    x = 92,515.33

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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.