Home / 75,731.22-104,509.17-43,918.61

Finding the Fourth Proportional to 75,731.22, 104,509.17 and 43,918.61

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Solution

The fourth proportional to 75,731.22, 104,509.17 and 43,918.61 is: 60,607.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,731.22 : 104,509.17 = 43,918.61 : x
  2. Step 2: Convert to fraction form
    75,731.22/104,509.17 = 43,918.61/x
  3. Step 3: Cross multiply
    75,731.22x = 104,509.17 × 43,918.61
  4. Step 4: Simplify right side
    75,731.22x = 4,589,896,956.11
  5. Step 5: Solve for x
    x = 4,589,896,956.11/75,731.22
  6. Step 6: Final answer
    x = 60,607.73

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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.