Home / 89,447.26-123,434.62-51,205.54

Finding the Fourth Proportional to 89,447.26, 123,434.62 and 51,205.54

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Solution

The fourth proportional to 89,447.26, 123,434.62 and 51,205.54 is: 70,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,447.26 : 123,434.62 = 51,205.54 : x
  2. Step 2: Convert to fraction form
    89,447.26/123,434.62 = 51,205.54/x
  3. Step 3: Cross multiply
    89,447.26x = 123,434.62 × 51,205.54
  4. Step 4: Simplify right side
    89,447.26x = 6,320,536,371.79
  5. Step 5: Solve for x
    x = 6,320,536,371.79/89,447.26
  6. Step 6: Final answer
    x = 70,662.16

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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.