Home / 74,684.73-103,103.03-50,612.86

Finding the Fourth Proportional to 74,684.73, 103,103.03 and 50,612.86

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Solution

The fourth proportional to 74,684.73, 103,103.03 and 50,612.86 is: 69,871.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,684.73 : 103,103.03 = 50,612.86 : x
  2. Step 2: Convert to fraction form
    74,684.73/103,103.03 = 50,612.86/x
  3. Step 3: Cross multiply
    74,684.73x = 103,103.03 × 50,612.86
  4. Step 4: Simplify right side
    74,684.73x = 5,218,339,222.97
  5. Step 5: Solve for x
    x = 5,218,339,222.97/74,684.73
  6. Step 6: Final answer
    x = 69,871.57

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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.