Home / 110,677.77-165,918.03-40,540.68

Finding the Fourth Proportional to 110,677.77, 165,918.03 and 40,540.68

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Solution

The fourth proportional to 110,677.77, 165,918.03 and 40,540.68 is: 60,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,677.77 : 165,918.03 = 40,540.68 : x
  2. Step 2: Convert to fraction form
    110,677.77/165,918.03 = 40,540.68/x
  3. Step 3: Cross multiply
    110,677.77x = 165,918.03 × 40,540.68
  4. Step 4: Simplify right side
    110,677.77x = 6,726,429,760.46
  5. Step 5: Solve for x
    x = 6,726,429,760.46/110,677.77
  6. Step 6: Final answer
    x = 60,774.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.