Home / 90,326.72-135,505.30-33,403.98

Finding the Fourth Proportional to 90,326.72, 135,505.30 and 33,403.98

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Solution

The fourth proportional to 90,326.72, 135,505.30 and 33,403.98 is: 50,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,326.72 : 135,505.30 = 33,403.98 : x
  2. Step 2: Convert to fraction form
    90,326.72/135,505.30 = 33,403.98/x
  3. Step 3: Cross multiply
    90,326.72x = 135,505.30 × 33,403.98
  4. Step 4: Simplify right side
    90,326.72x = 4,526,416,331.09
  5. Step 5: Solve for x
    x = 4,526,416,331.09/90,326.72
  6. Step 6: Final answer
    x = 50,111.60

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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.