Home / 82,989.20-124,433.52-33,076.88

Finding the Fourth Proportional to 82,989.20, 124,433.52 and 33,076.88

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Solution

The fourth proportional to 82,989.20, 124,433.52 and 33,076.88 is: 49,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,989.20 : 124,433.52 = 33,076.88 : x
  2. Step 2: Convert to fraction form
    82,989.20/124,433.52 = 33,076.88/x
  3. Step 3: Cross multiply
    82,989.20x = 124,433.52 × 33,076.88
  4. Step 4: Simplify right side
    82,989.20x = 4,115,872,609.02
  5. Step 5: Solve for x
    x = 4,115,872,609.02/82,989.20
  6. Step 6: Final answer
    x = 49,595.28

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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.