Home / 73,057.64-109,420.38-57,163.62

Finding the Fourth Proportional to 73,057.64, 109,420.38 and 57,163.62

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Solution

The fourth proportional to 73,057.64, 109,420.38 and 57,163.62 is: 85,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,057.64 : 109,420.38 = 57,163.62 : x
  2. Step 2: Convert to fraction form
    73,057.64/109,420.38 = 57,163.62/x
  3. Step 3: Cross multiply
    73,057.64x = 109,420.38 × 57,163.62
  4. Step 4: Simplify right side
    73,057.64x = 6,254,865,022.58
  5. Step 5: Solve for x
    x = 6,254,865,022.58/73,057.64
  6. Step 6: Final answer
    x = 85,615.48

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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.