Home / 96,999.22-145,245.30-91,086.94

Finding the Fourth Proportional to 96,999.22, 145,245.30 and 91,086.94

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Solution

The fourth proportional to 96,999.22, 145,245.30 and 91,086.94 is: 136,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,999.22 : 145,245.30 = 91,086.94 : x
  2. Step 2: Convert to fraction form
    96,999.22/145,245.30 = 91,086.94/x
  3. Step 3: Cross multiply
    96,999.22x = 145,245.30 × 91,086.94
  4. Step 4: Simplify right side
    96,999.22x = 13,229,949,926.38
  5. Step 5: Solve for x
    x = 13,229,949,926.38/96,999.22
  6. Step 6: Final answer
    x = 136,392.33

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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.