Home / 47,680.92-65,795.31-28,296.48

Finding the Fourth Proportional to 47,680.92, 65,795.31 and 28,296.48

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Solution

The fourth proportional to 47,680.92, 65,795.31 and 28,296.48 is: 39,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,680.92 : 65,795.31 = 28,296.48 : x
  2. Step 2: Convert to fraction form
    47,680.92/65,795.31 = 28,296.48/x
  3. Step 3: Cross multiply
    47,680.92x = 65,795.31 × 28,296.48
  4. Step 4: Simplify right side
    47,680.92x = 1,861,775,673.51
  5. Step 5: Solve for x
    x = 1,861,775,673.51/47,680.92
  6. Step 6: Final answer
    x = 39,046.56

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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.