Home / 119,716.55-165,216.29-66,001.48

Finding the Fourth Proportional to 119,716.55, 165,216.29 and 66,001.48

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Solution

The fourth proportional to 119,716.55, 165,216.29 and 66,001.48 is: 91,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,716.55 : 165,216.29 = 66,001.48 : x
  2. Step 2: Convert to fraction form
    119,716.55/165,216.29 = 66,001.48/x
  3. Step 3: Cross multiply
    119,716.55x = 165,216.29 × 66,001.48
  4. Step 4: Simplify right side
    119,716.55x = 10,904,520,217.66
  5. Step 5: Solve for x
    x = 10,904,520,217.66/119,716.55
  6. Step 6: Final answer
    x = 91,086.16

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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.