Home / 75,181.60-103,761.66-43,344.28

Finding the Fourth Proportional to 75,181.60, 103,761.66 and 43,344.28

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Solution

The fourth proportional to 75,181.60, 103,761.66 and 43,344.28 is: 59,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,181.60 : 103,761.66 = 43,344.28 : x
  2. Step 2: Convert to fraction form
    75,181.60/103,761.66 = 43,344.28/x
  3. Step 3: Cross multiply
    75,181.60x = 103,761.66 × 43,344.28
  4. Step 4: Simplify right side
    75,181.60x = 4,497,474,444.30
  5. Step 5: Solve for x
    x = 4,497,474,444.30/75,181.60
  6. Step 6: Final answer
    x = 59,821.48

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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.