Home / 82,044.12-113,221.41-48,072.72

Finding the Fourth Proportional to 82,044.12, 113,221.41 and 48,072.72

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Solution

The fourth proportional to 82,044.12, 113,221.41 and 48,072.72 is: 66,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,044.12 : 113,221.41 = 48,072.72 : x
  2. Step 2: Convert to fraction form
    82,044.12/113,221.41 = 48,072.72/x
  3. Step 3: Cross multiply
    82,044.12x = 113,221.41 × 48,072.72
  4. Step 4: Simplify right side
    82,044.12x = 5,442,861,140.94
  5. Step 5: Solve for x
    x = 5,442,861,140.94/82,044.12
  6. Step 6: Final answer
    x = 66,340.66

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1.5x scale

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.