Home / 82,947.21-114,431.67-54,216.96

Finding the Fourth Proportional to 82,947.21, 114,431.67 and 54,216.96

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Solution

The fourth proportional to 82,947.21, 114,431.67 and 54,216.96 is: 74,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947.21 : 114,431.67 = 54,216.96 : x
  2. Step 2: Convert to fraction form
    82,947.21/114,431.67 = 54,216.96/x
  3. Step 3: Cross multiply
    82,947.21x = 114,431.67 × 54,216.96
  4. Step 4: Simplify right side
    82,947.21x = 6,204,137,275.12
  5. Step 5: Solve for x
    x = 6,204,137,275.12/82,947.21
  6. Step 6: Final answer
    x = 74,796.21

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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.