Home / 82,752.12-124,052.94-30,149.64

Finding the Fourth Proportional to 82,752.12, 124,052.94 and 30,149.64

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Solution

The fourth proportional to 82,752.12, 124,052.94 and 30,149.64 is: 45,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,752.12 : 124,052.94 = 30,149.64 : x
  2. Step 2: Convert to fraction form
    82,752.12/124,052.94 = 30,149.64/x
  3. Step 3: Cross multiply
    82,752.12x = 124,052.94 × 30,149.64
  4. Step 4: Simplify right side
    82,752.12x = 3,740,151,481.94
  5. Step 5: Solve for x
    x = 3,740,151,481.94/82,752.12
  6. Step 6: Final answer
    x = 45,197.05

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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.