Home / 75,415.42-104,067.21-43,586.38

Finding the Fourth Proportional to 75,415.42, 104,067.21 and 43,586.38

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Solution

The fourth proportional to 75,415.42, 104,067.21 and 43,586.38 is: 60,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,415.42 : 104,067.21 = 43,586.38 : x
  2. Step 2: Convert to fraction form
    75,415.42/104,067.21 = 43,586.38/x
  3. Step 3: Cross multiply
    75,415.42x = 104,067.21 × 43,586.38
  4. Step 4: Simplify right side
    75,415.42x = 4,535,912,960.60
  5. Step 5: Solve for x
    x = 4,535,912,960.60/75,415.42
  6. Step 6: Final answer
    x = 60,145.70

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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.