Home / 117,023.50-161,494.86-69,259.42

Finding the Fourth Proportional to 117,023.50, 161,494.86 and 69,259.42

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Solution

The fourth proportional to 117,023.50, 161,494.86 and 69,259.42 is: 95,579.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,023.50 : 161,494.86 = 69,259.42 : x
  2. Step 2: Convert to fraction form
    117,023.50/161,494.86 = 69,259.42/x
  3. Step 3: Cross multiply
    117,023.50x = 161,494.86 × 69,259.42
  4. Step 4: Simplify right side
    117,023.50x = 11,185,040,336.58
  5. Step 5: Solve for x
    x = 11,185,040,336.58/117,023.50
  6. Step 6: Final answer
    x = 95,579.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.