Home / 90,375.49-135,433.36-50,849.11

Finding the Fourth Proportional to 90,375.49, 135,433.36 and 50,849.11

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Solution

The fourth proportional to 90,375.49, 135,433.36 and 50,849.11 is: 76,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,375.49 : 135,433.36 = 50,849.11 : x
  2. Step 2: Convert to fraction form
    90,375.49/135,433.36 = 50,849.11/x
  3. Step 3: Cross multiply
    90,375.49x = 135,433.36 × 50,849.11
  4. Step 4: Simplify right side
    90,375.49x = 6,886,665,820.31
  5. Step 5: Solve for x
    x = 6,886,665,820.31/90,375.49
  6. Step 6: Final answer
    x = 76,200.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.