Home / 110,678.77-165,919.53-40,541.68

Finding the Fourth Proportional to 110,678.77, 165,919.53 and 40,541.68

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Solution

The fourth proportional to 110,678.77, 165,919.53 and 40,541.68 is: 60,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,678.77 : 165,919.53 = 40,541.68 : x
  2. Step 2: Convert to fraction form
    110,678.77/165,919.53 = 40,541.68/x
  3. Step 3: Cross multiply
    110,678.77x = 165,919.53 × 40,541.68
  4. Step 4: Simplify right side
    110,678.77x = 6,726,656,491.01
  5. Step 5: Solve for x
    x = 6,726,656,491.01/110,678.77
  6. Step 6: Final answer
    x = 60,776.39

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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.