Home / 113,163.06-169,773.42-53,179.89

Finding the Fourth Proportional to 113,163.06, 169,773.42 and 53,179.89

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Solution

The fourth proportional to 113,163.06, 169,773.42 and 53,179.89 is: 79,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,163.06 : 169,773.42 = 53,179.89 : x
  2. Step 2: Convert to fraction form
    113,163.06/169,773.42 = 53,179.89/x
  3. Step 3: Cross multiply
    113,163.06x = 169,773.42 × 53,179.89
  4. Step 4: Simplify right side
    113,163.06x = 9,028,531,800.52
  5. Step 5: Solve for x
    x = 9,028,531,800.52/113,163.06
  6. Step 6: Final answer
    x = 79,783.38

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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.