Home / 116,774.63-161,175.22-76,464.98

Finding the Fourth Proportional to 116,774.63, 161,175.22 and 76,464.98

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Solution

The fourth proportional to 116,774.63, 161,175.22 and 76,464.98 is: 105,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,774.63 : 161,175.22 = 76,464.98 : x
  2. Step 2: Convert to fraction form
    116,774.63/161,175.22 = 76,464.98/x
  3. Step 3: Cross multiply
    116,774.63x = 161,175.22 × 76,464.98
  4. Step 4: Simplify right side
    116,774.63x = 12,324,259,782.63
  5. Step 5: Solve for x
    x = 12,324,259,782.63/116,774.63
  6. Step 6: Final answer
    x = 105,538.85

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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.