Home / 84,937.20-117,219.90-50,947.02

Finding the Fourth Proportional to 84,937.20, 117,219.90 and 50,947.02

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Solution

The fourth proportional to 84,937.20, 117,219.90 and 50,947.02 is: 70,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,937.20 : 117,219.90 = 50,947.02 : x
  2. Step 2: Convert to fraction form
    84,937.20/117,219.90 = 50,947.02/x
  3. Step 3: Cross multiply
    84,937.20x = 117,219.90 × 50,947.02
  4. Step 4: Simplify right side
    84,937.20x = 5,972,004,589.70
  5. Step 5: Solve for x
    x = 5,972,004,589.70/84,937.20
  6. Step 6: Final answer
    x = 70,310.82

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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.