Home / 89,175.78-123,063.57-50,940.39

Finding the Fourth Proportional to 89,175.78, 123,063.57 and 50,940.39

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Solution

The fourth proportional to 89,175.78, 123,063.57 and 50,940.39 is: 70,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,175.78 : 123,063.57 = 50,940.39 : x
  2. Step 2: Convert to fraction form
    89,175.78/123,063.57 = 50,940.39/x
  3. Step 3: Cross multiply
    89,175.78x = 123,063.57 × 50,940.39
  4. Step 4: Simplify right side
    89,175.78x = 6,268,906,250.59
  5. Step 5: Solve for x
    x = 6,268,906,250.59/89,175.78
  6. Step 6: Final answer
    x = 70,298.31

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1.5x scale

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.