Home / 65,384.62-90,274.10-50,249.36

Finding the Fourth Proportional to 65,384.62, 90,274.10 and 50,249.36

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Solution

The fourth proportional to 65,384.62, 90,274.10 and 50,249.36 is: 69,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,384.62 : 90,274.10 = 50,249.36 : x
  2. Step 2: Convert to fraction form
    65,384.62/90,274.10 = 50,249.36/x
  3. Step 3: Cross multiply
    65,384.62x = 90,274.10 × 50,249.36
  4. Step 4: Simplify right side
    65,384.62x = 4,536,215,724.01
  5. Step 5: Solve for x
    x = 4,536,215,724.01/65,384.62
  6. Step 6: Final answer
    x = 69,377.41

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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.