Home / 82,783.28-114,240.84-45,057.44

Finding the Fourth Proportional to 82,783.28, 114,240.84 and 45,057.44

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Solution

The fourth proportional to 82,783.28, 114,240.84 and 45,057.44 is: 62,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,783.28 : 114,240.84 = 45,057.44 : x
  2. Step 2: Convert to fraction form
    82,783.28/114,240.84 = 45,057.44/x
  3. Step 3: Cross multiply
    82,783.28x = 114,240.84 × 45,057.44
  4. Step 4: Simplify right side
    82,783.28x = 5,147,399,793.85
  5. Step 5: Solve for x
    x = 5,147,399,793.85/82,783.28
  6. Step 6: Final answer
    x = 62,179.22

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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.