Home / 90,325.72-135,503.79-33,402.97

Finding the Fourth Proportional to 90,325.72, 135,503.79 and 33,402.97

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Solution

The fourth proportional to 90,325.72, 135,503.79 and 33,402.97 is: 50,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,325.72 : 135,503.79 = 33,402.97 : x
  2. Step 2: Convert to fraction form
    90,325.72/135,503.79 = 33,402.97/x
  3. Step 3: Cross multiply
    90,325.72x = 135,503.79 × 33,402.97
  4. Step 4: Simplify right side
    90,325.72x = 4,526,229,032.26
  5. Step 5: Solve for x
    x = 4,526,229,032.26/90,325.72
  6. Step 6: Final answer
    x = 50,110.08

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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.