Home / 90,537.38-124,940.64-50,251.49

Finding the Fourth Proportional to 90,537.38, 124,940.64 and 50,251.49

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Solution

The fourth proportional to 90,537.38, 124,940.64 and 50,251.49 is: 69,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,537.38 : 124,940.64 = 50,251.49 : x
  2. Step 2: Convert to fraction form
    90,537.38/124,940.64 = 50,251.49/x
  3. Step 3: Cross multiply
    90,537.38x = 124,940.64 × 50,251.49
  4. Step 4: Simplify right side
    90,537.38x = 6,278,453,822.35
  5. Step 5: Solve for x
    x = 6,278,453,822.35/90,537.38
  6. Step 6: Final answer
    x = 69,346.54

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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.