Home / 117,367.32-161,965.77-63,653.52

Finding the Fourth Proportional to 117,367.32, 161,965.77 and 63,653.52

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Solution

The fourth proportional to 117,367.32, 161,965.77 and 63,653.52 is: 87,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,367.32 : 161,965.77 = 63,653.52 : x
  2. Step 2: Convert to fraction form
    117,367.32/161,965.77 = 63,653.52/x
  3. Step 3: Cross multiply
    117,367.32x = 161,965.77 × 63,653.52
  4. Step 4: Simplify right side
    117,367.32x = 10,309,691,380.01
  5. Step 5: Solve for x
    x = 10,309,691,380.01/117,367.32
  6. Step 6: Final answer
    x = 87,841.24

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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.