Home / 107,723.07-161,727.75-92,028.96

Finding the Fourth Proportional to 107,723.07, 161,727.75 and 92,028.96

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Solution

The fourth proportional to 107,723.07, 161,727.75 and 92,028.96 is: 138,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,723.07 : 161,727.75 = 92,028.96 : x
  2. Step 2: Convert to fraction form
    107,723.07/161,727.75 = 92,028.96/x
  3. Step 3: Cross multiply
    107,723.07x = 161,727.75 × 92,028.96
  4. Step 4: Simplify right side
    107,723.07x = 14,883,636,635.64
  5. Step 5: Solve for x
    x = 14,883,636,635.64/107,723.07
  6. Step 6: Final answer
    x = 138,165.73

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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.