Home / 51,977.62-71,730.42-31,845.60

Finding the Fourth Proportional to 51,977.62, 71,730.42 and 31,845.60

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Solution

The fourth proportional to 51,977.62, 71,730.42 and 31,845.60 is: 43,947.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.62 : 71,730.42 = 31,845.60 : x
  2. Step 2: Convert to fraction form
    51,977.62/71,730.42 = 31,845.60/x
  3. Step 3: Cross multiply
    51,977.62x = 71,730.42 × 31,845.60
  4. Step 4: Simplify right side
    51,977.62x = 2,284,298,263.15
  5. Step 5: Solve for x
    x = 2,284,298,263.15/51,977.62
  6. Step 6: Final answer
    x = 43,947.73

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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.