Home / 112,999.86-169,481.79-29,900.34

Finding the Fourth Proportional to 112,999.86, 169,481.79 and 29,900.34

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Solution

The fourth proportional to 112,999.86, 169,481.79 and 29,900.34 is: 44,845.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,999.86 : 169,481.79 = 29,900.34 : x
  2. Step 2: Convert to fraction form
    112,999.86/169,481.79 = 29,900.34/x
  3. Step 3: Cross multiply
    112,999.86x = 169,481.79 × 29,900.34
  4. Step 4: Simplify right side
    112,999.86x = 5,067,563,144.81
  5. Step 5: Solve for x
    x = 5,067,563,144.81/112,999.86
  6. Step 6: Final answer
    x = 44,845.75

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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.