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Finding the Fourth Proportional to 95,040.05, 142,434.11 and 50,571.05

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Solution

The fourth proportional to 95,040.05, 142,434.11 and 50,571.05 is: 75,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,040.05 : 142,434.11 = 50,571.05 : x
  2. Step 2: Convert to fraction form
    95,040.05/142,434.11 = 50,571.05/x
  3. Step 3: Cross multiply
    95,040.05x = 142,434.11 × 50,571.05
  4. Step 4: Simplify right side
    95,040.05x = 7,203,041,912.77
  5. Step 5: Solve for x
    x = 7,203,041,912.77/95,040.05
  6. Step 6: Final answer
    x = 75,789.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.