Home / 90,326.72-135,505.29-33,403.97

Finding the Fourth Proportional to 90,326.72, 135,505.29 and 33,403.97

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Solution

The fourth proportional to 90,326.72, 135,505.29 and 33,403.97 is: 50,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,326.72 : 135,505.29 = 33,403.97 : x
  2. Step 2: Convert to fraction form
    90,326.72/135,505.29 = 33,403.97/x
  3. Step 3: Cross multiply
    90,326.72x = 135,505.29 × 33,403.97
  4. Step 4: Simplify right side
    90,326.72x = 4,526,414,642.00
  5. Step 5: Solve for x
    x = 4,526,414,642.00/90,326.72
  6. Step 6: Final answer
    x = 50,111.58

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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.