Home / 71,715.44-98,964.24-39,883.52

Finding the Fourth Proportional to 71,715.44, 98,964.24 and 39,883.52

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Solution

The fourth proportional to 71,715.44, 98,964.24 and 39,883.52 is: 55,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,715.44 : 98,964.24 = 39,883.52 : x
  2. Step 2: Convert to fraction form
    71,715.44/98,964.24 = 39,883.52/x
  3. Step 3: Cross multiply
    71,715.44x = 98,964.24 × 39,883.52
  4. Step 4: Simplify right side
    71,715.44x = 3,947,042,245.32
  5. Step 5: Solve for x
    x = 3,947,042,245.32/71,715.44
  6. Step 6: Final answer
    x = 55,037.55

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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.