Home / 54,770.64-82,155.96-13,217.64

Finding the Fourth Proportional to 54,770.64, 82,155.96 and 13,217.64

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Solution

The fourth proportional to 54,770.64, 82,155.96 and 13,217.64 is: 19,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,770.64 : 82,155.96 = 13,217.64 : x
  2. Step 2: Convert to fraction form
    54,770.64/82,155.96 = 13,217.64/x
  3. Step 3: Cross multiply
    54,770.64x = 82,155.96 × 13,217.64
  4. Step 4: Simplify right side
    54,770.64x = 1,085,907,903.13
  5. Step 5: Solve for x
    x = 1,085,907,903.13/54,770.64
  6. Step 6: Final answer
    x = 19,826.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.