Home / 90,302.73-135,463.05-33,391.56

Finding the Fourth Proportional to 90,302.73, 135,463.05 and 33,391.56

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Solution

The fourth proportional to 90,302.73, 135,463.05 and 33,391.56 is: 50,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,302.73 : 135,463.05 = 33,391.56 : x
  2. Step 2: Convert to fraction form
    90,302.73/135,463.05 = 33,391.56/x
  3. Step 3: Cross multiply
    90,302.73x = 135,463.05 × 33,391.56
  4. Step 4: Simplify right side
    90,302.73x = 4,523,322,561.86
  5. Step 5: Solve for x
    x = 4,523,322,561.86/90,302.73
  6. Step 6: Final answer
    x = 50,090.65

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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.