Home / 108,223.88-162,338.66-51,284.43

Finding the Fourth Proportional to 108,223.88, 162,338.66 and 51,284.43

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Solution

The fourth proportional to 108,223.88, 162,338.66 and 51,284.43 is: 76,927.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,223.88 : 162,338.66 = 51,284.43 : x
  2. Step 2: Convert to fraction form
    108,223.88/162,338.66 = 51,284.43/x
  3. Step 3: Cross multiply
    108,223.88x = 162,338.66 × 51,284.43
  4. Step 4: Simplify right side
    108,223.88x = 8,325,445,388.64
  5. Step 5: Solve for x
    x = 8,325,445,388.64/108,223.88
  6. Step 6: Final answer
    x = 76,927.99

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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.