Home / 69,977.49-104,961.92-28,423.41

Finding the Fourth Proportional to 69,977.49, 104,961.92 and 28,423.41

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Solution

The fourth proportional to 69,977.49, 104,961.92 and 28,423.41 is: 42,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,977.49 : 104,961.92 = 28,423.41 : x
  2. Step 2: Convert to fraction form
    69,977.49/104,961.92 = 28,423.41/x
  3. Step 3: Cross multiply
    69,977.49x = 104,961.92 × 28,423.41
  4. Step 4: Simplify right side
    69,977.49x = 2,983,375,544.43
  5. Step 5: Solve for x
    x = 2,983,375,544.43/69,977.49
  6. Step 6: Final answer
    x = 42,633.36

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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.