Home / 119,740.53-165,249.36-66,025.38

Finding the Fourth Proportional to 119,740.53, 165,249.36 and 66,025.38

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Solution

The fourth proportional to 119,740.53, 165,249.36 and 66,025.38 is: 91,119.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,740.53 : 165,249.36 = 66,025.38 : x
  2. Step 2: Convert to fraction form
    119,740.53/165,249.36 = 66,025.38/x
  3. Step 3: Cross multiply
    119,740.53x = 165,249.36 × 66,025.38
  4. Step 4: Simplify right side
    119,740.53x = 10,910,651,788.76
  5. Step 5: Solve for x
    x = 10,910,651,788.76/119,740.53
  6. Step 6: Final answer
    x = 91,119.12

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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.