Home / 110,350.62-165,411-51,137.64

Finding the Fourth Proportional to 110,350.62, 165,411 and 51,137.64

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Solution

The fourth proportional to 110,350.62, 165,411 and 51,137.64 is: 76,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,350.62 : 165,411 = 51,137.64 : x
  2. Step 2: Convert to fraction form
    110,350.62/165,411 = 51,137.64/x
  3. Step 3: Cross multiply
    110,350.62x = 165,411 × 51,137.64
  4. Step 4: Simplify right side
    110,350.62x = 8,458,728,170.04
  5. Step 5: Solve for x
    x = 8,458,728,170.04/110,350.62
  6. Step 6: Final answer
    x = 76,653.20

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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.