Home / 82,947.43-114,467.38-45,221.68

Finding the Fourth Proportional to 82,947.43, 114,467.38 and 45,221.68

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Solution

The fourth proportional to 82,947.43, 114,467.38 and 45,221.68 is: 62,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947.43 : 114,467.38 = 45,221.68 : x
  2. Step 2: Convert to fraction form
    82,947.43/114,467.38 = 45,221.68/x
  3. Step 3: Cross multiply
    82,947.43x = 114,467.38 × 45,221.68
  4. Step 4: Simplify right side
    82,947.43x = 5,176,407,055.68
  5. Step 5: Solve for x
    x = 5,176,407,055.68/82,947.43
  6. Step 6: Final answer
    x = 62,405.88

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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.