Home / 73,590.22-110,403.96-20,999.89

Finding the Fourth Proportional to 73,590.22, 110,403.96 and 20,999.89

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Solution

The fourth proportional to 73,590.22, 110,403.96 and 20,999.89 is: 31,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,590.22 : 110,403.96 = 20,999.89 : x
  2. Step 2: Convert to fraction form
    73,590.22/110,403.96 = 20,999.89/x
  3. Step 3: Cross multiply
    73,590.22x = 110,403.96 × 20,999.89
  4. Step 4: Simplify right side
    73,590.22x = 2,318,471,015.56
  5. Step 5: Solve for x
    x = 2,318,471,015.56/73,590.22
  6. Step 6: Final answer
    x = 31,505.15

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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.