Home / 87,579.08-120,834.11-49,325.23

Finding the Fourth Proportional to 87,579.08, 120,834.11 and 49,325.23

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Solution

The fourth proportional to 87,579.08, 120,834.11 and 49,325.23 is: 68,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,579.08 : 120,834.11 = 49,325.23 : x
  2. Step 2: Convert to fraction form
    87,579.08/120,834.11 = 49,325.23/x
  3. Step 3: Cross multiply
    87,579.08x = 120,834.11 × 49,325.23
  4. Step 4: Simplify right side
    87,579.08x = 5,960,170,541.95
  5. Step 5: Solve for x
    x = 5,960,170,541.95/87,579.08
  6. Step 6: Final answer
    x = 68,054.73

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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.