Home / 82,202.77-113,427.66-49,920.60

Finding the Fourth Proportional to 82,202.77, 113,427.66 and 49,920.60

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Solution

The fourth proportional to 82,202.77, 113,427.66 and 49,920.60 is: 68,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,202.77 : 113,427.66 = 49,920.60 : x
  2. Step 2: Convert to fraction form
    82,202.77/113,427.66 = 49,920.60/x
  3. Step 3: Cross multiply
    82,202.77x = 113,427.66 × 49,920.60
  4. Step 4: Simplify right side
    82,202.77x = 5,662,376,843.80
  5. Step 5: Solve for x
    x = 5,662,376,843.80/82,202.77
  6. Step 6: Final answer
    x = 68,883.04

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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.