Home / 74,939.88-103,296.90-50,733.21

Finding the Fourth Proportional to 74,939.88, 103,296.90 and 50,733.21

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Solution

The fourth proportional to 74,939.88, 103,296.90 and 50,733.21 is: 69,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,939.88 : 103,296.90 = 50,733.21 : x
  2. Step 2: Convert to fraction form
    74,939.88/103,296.90 = 50,733.21/x
  3. Step 3: Cross multiply
    74,939.88x = 103,296.90 × 50,733.21
  4. Step 4: Simplify right side
    74,939.88x = 5,240,583,320.05
  5. Step 5: Solve for x
    x = 5,240,583,320.05/74,939.88
  6. Step 6: Final answer
    x = 69,930.50

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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.