Home / 82,043.62-113,220.72-48,072.22

Finding the Fourth Proportional to 82,043.62, 113,220.72 and 48,072.22

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Solution

The fourth proportional to 82,043.62, 113,220.72 and 48,072.22 is: 66,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,043.62 : 113,220.72 = 48,072.22 : x
  2. Step 2: Convert to fraction form
    82,043.62/113,220.72 = 48,072.22/x
  3. Step 3: Cross multiply
    82,043.62x = 113,220.72 × 48,072.22
  4. Step 4: Simplify right side
    82,043.62x = 5,442,771,360.40
  5. Step 5: Solve for x
    x = 5,442,771,360.40/82,043.62
  6. Step 6: Final answer
    x = 66,339.97

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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.