Home / 84,784.62-117,002.85-50,812.84

Finding the Fourth Proportional to 84,784.62, 117,002.85 and 50,812.84

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Solution

The fourth proportional to 84,784.62, 117,002.85 and 50,812.84 is: 70,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,784.62 : 117,002.85 = 50,812.84 : x
  2. Step 2: Convert to fraction form
    84,784.62/117,002.85 = 50,812.84/x
  3. Step 3: Cross multiply
    84,784.62x = 117,002.85 × 50,812.84
  4. Step 4: Simplify right side
    84,784.62x = 5,945,246,394.16
  5. Step 5: Solve for x
    x = 5,945,246,394.16/84,784.62
  6. Step 6: Final answer
    x = 70,121.75

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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.