Home / 87,339.72-120,516.66-49,093.86

Finding the Fourth Proportional to 87,339.72, 120,516.66 and 49,093.86

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Solution

The fourth proportional to 87,339.72, 120,516.66 and 49,093.86 is: 67,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,339.72 : 120,516.66 = 49,093.86 : x
  2. Step 2: Convert to fraction form
    87,339.72/120,516.66 = 49,093.86/x
  3. Step 3: Cross multiply
    87,339.72x = 120,516.66 × 49,093.86
  4. Step 4: Simplify right side
    87,339.72x = 5,916,628,033.71
  5. Step 5: Solve for x
    x = 5,916,628,033.71/87,339.72
  6. Step 6: Final answer
    x = 67,742.70

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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.