Home / 82,732.20-114,169.80-45,006.48

Finding the Fourth Proportional to 82,732.20, 114,169.80 and 45,006.48

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Solution

The fourth proportional to 82,732.20, 114,169.80 and 45,006.48 is: 62,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,732.20 : 114,169.80 = 45,006.48 : x
  2. Step 2: Convert to fraction form
    82,732.20/114,169.80 = 45,006.48/x
  3. Step 3: Cross multiply
    82,732.20x = 114,169.80 × 45,006.48
  4. Step 4: Simplify right side
    82,732.20x = 5,138,380,820.30
  5. Step 5: Solve for x
    x = 5,138,380,820.30/82,732.20
  6. Step 6: Final answer
    x = 62,108.60

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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.