Home / 50,078.45-69,108.07-28,568.16

Finding the Fourth Proportional to 50,078.45, 69,108.07 and 28,568.16

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Solution

The fourth proportional to 50,078.45, 69,108.07 and 28,568.16 is: 39,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,078.45 : 69,108.07 = 28,568.16 : x
  2. Step 2: Convert to fraction form
    50,078.45/69,108.07 = 28,568.16/x
  3. Step 3: Cross multiply
    50,078.45x = 69,108.07 × 28,568.16
  4. Step 4: Simplify right side
    50,078.45x = 1,974,290,177.61
  5. Step 5: Solve for x
    x = 1,974,290,177.61/50,078.45
  6. Step 6: Final answer
    x = 39,423.95

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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.