Home / 89,873.85-124,025.23-49,589.31

Finding the Fourth Proportional to 89,873.85, 124,025.23 and 49,589.31

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Solution

The fourth proportional to 89,873.85, 124,025.23 and 49,589.31 is: 68,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,873.85 : 124,025.23 = 49,589.31 : x
  2. Step 2: Convert to fraction form
    89,873.85/124,025.23 = 49,589.31/x
  3. Step 3: Cross multiply
    89,873.85x = 124,025.23 × 49,589.31
  4. Step 4: Simplify right side
    89,873.85x = 6,150,325,826.43
  5. Step 5: Solve for x
    x = 6,150,325,826.43/89,873.85
  6. Step 6: Final answer
    x = 68,432.87

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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.