Home / 119,786.77-165,298.24-66,071.66

Finding the Fourth Proportional to 119,786.77, 165,298.24 and 66,071.66

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Solution

The fourth proportional to 119,786.77, 165,298.24 and 66,071.66 is: 91,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,786.77 : 165,298.24 = 66,071.66 : x
  2. Step 2: Convert to fraction form
    119,786.77/165,298.24 = 66,071.66/x
  3. Step 3: Cross multiply
    119,786.77x = 165,298.24 × 66,071.66
  4. Step 4: Simplify right side
    119,786.77x = 10,921,529,716.06
  5. Step 5: Solve for x
    x = 10,921,529,716.06/119,786.77
  6. Step 6: Final answer
    x = 91,174.75

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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.