Home / 75,078.28-103,611.18-41,544.28

Finding the Fourth Proportional to 75,078.28, 103,611.18 and 41,544.28

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Solution

The fourth proportional to 75,078.28, 103,611.18 and 41,544.28 is: 57,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,078.28 : 103,611.18 = 41,544.28 : x
  2. Step 2: Convert to fraction form
    75,078.28/103,611.18 = 41,544.28/x
  3. Step 3: Cross multiply
    75,078.28x = 103,611.18 × 41,544.28
  4. Step 4: Simplify right side
    75,078.28x = 4,304,451,873.05
  5. Step 5: Solve for x
    x = 4,304,451,873.05/75,078.28
  6. Step 6: Final answer
    x = 57,332.85

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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.