Home / 117,263.52-161,832.24-66,961.44

Finding the Fourth Proportional to 117,263.52, 161,832.24 and 66,961.44

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Solution

The fourth proportional to 117,263.52, 161,832.24 and 66,961.44 is: 92,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,263.52 : 161,832.24 = 66,961.44 : x
  2. Step 2: Convert to fraction form
    117,263.52/161,832.24 = 66,961.44/x
  3. Step 3: Cross multiply
    117,263.52x = 161,832.24 × 66,961.44
  4. Step 4: Simplify right side
    117,263.52x = 10,836,519,828.83
  5. Step 5: Solve for x
    x = 10,836,519,828.83/117,263.52
  6. Step 6: Final answer
    x = 92,411.69

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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.