Home / 82,216.20-123,324.30-29,627.40

Finding the Fourth Proportional to 82,216.20, 123,324.30 and 29,627.40

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Solution

The fourth proportional to 82,216.20, 123,324.30 and 29,627.40 is: 44,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,216.20 : 123,324.30 = 29,627.40 : x
  2. Step 2: Convert to fraction form
    82,216.20/123,324.30 = 29,627.40/x
  3. Step 3: Cross multiply
    82,216.20x = 123,324.30 × 29,627.40
  4. Step 4: Simplify right side
    82,216.20x = 3,653,778,365.82
  5. Step 5: Solve for x
    x = 3,653,778,365.82/82,216.20
  6. Step 6: Final answer
    x = 44,441.10

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1.5x scale

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.