Home / 50,165.76-69,084.16-49,121.28

Finding the Fourth Proportional to 50,165.76, 69,084.16 and 49,121.28

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Solution

The fourth proportional to 50,165.76, 69,084.16 and 49,121.28 is: 67,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,165.76 : 69,084.16 = 49,121.28 : x
  2. Step 2: Convert to fraction form
    50,165.76/69,084.16 = 49,121.28/x
  3. Step 3: Cross multiply
    50,165.76x = 69,084.16 × 49,121.28
  4. Step 4: Simplify right side
    50,165.76x = 3,393,502,366.92
  5. Step 5: Solve for x
    x = 3,393,502,366.92/50,165.76
  6. Step 6: Final answer
    x = 67,645.79

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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.