Home / 82,579.32-113,939.92-48,589.32

Finding the Fourth Proportional to 82,579.32, 113,939.92 and 48,589.32

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Solution

The fourth proportional to 82,579.32, 113,939.92 and 48,589.32 is: 67,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,579.32 : 113,939.92 = 48,589.32 : x
  2. Step 2: Convert to fraction form
    82,579.32/113,939.92 = 48,589.32/x
  3. Step 3: Cross multiply
    82,579.32x = 113,939.92 × 48,589.32
  4. Step 4: Simplify right side
    82,579.32x = 5,536,263,233.65
  5. Step 5: Solve for x
    x = 5,536,263,233.65/82,579.32
  6. Step 6: Final answer
    x = 67,041.76

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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.