Home / 89,149.26-123,020.64-48,855

Finding the Fourth Proportional to 89,149.26, 123,020.64 and 48,855

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Solution

The fourth proportional to 89,149.26, 123,020.64 and 48,855 is: 67,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,149.26 : 123,020.64 = 48,855 : x
  2. Step 2: Convert to fraction form
    89,149.26/123,020.64 = 48,855/x
  3. Step 3: Cross multiply
    89,149.26x = 123,020.64 × 48,855
  4. Step 4: Simplify right side
    89,149.26x = 6,010,173,367.20
  5. Step 5: Solve for x
    x = 6,010,173,367.20/89,149.26
  6. Step 6: Final answer
    x = 67,416.97

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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.