Home / 82,297.38-123,445.66-28,976.70

Finding the Fourth Proportional to 82,297.38, 123,445.66 and 28,976.70

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Solution

The fourth proportional to 82,297.38, 123,445.66 and 28,976.70 is: 43,464.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,297.38 : 123,445.66 = 28,976.70 : x
  2. Step 2: Convert to fraction form
    82,297.38/123,445.66 = 28,976.70/x
  3. Step 3: Cross multiply
    82,297.38x = 123,445.66 × 28,976.70
  4. Step 4: Simplify right side
    82,297.38x = 3,577,047,856.12
  5. Step 5: Solve for x
    x = 3,577,047,856.12/82,297.38
  6. Step 6: Final answer
    x = 43,464.91

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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.