Home / 119,738.93-165,240.91-66,022.56

Finding the Fourth Proportional to 119,738.93, 165,240.91 and 66,022.56

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Solution

The fourth proportional to 119,738.93, 165,240.91 and 66,022.56 is: 91,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,738.93 : 165,240.91 = 66,022.56 : x
  2. Step 2: Convert to fraction form
    119,738.93/165,240.91 = 66,022.56/x
  3. Step 3: Cross multiply
    119,738.93x = 165,240.91 × 66,022.56
  4. Step 4: Simplify right side
    119,738.93x = 10,909,627,977.46
  5. Step 5: Solve for x
    x = 10,909,627,977.46/119,738.93
  6. Step 6: Final answer
    x = 91,111.79

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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.