Home / 107,664.82-161,497.29-48,431.29

Finding the Fourth Proportional to 107,664.82, 161,497.29 and 48,431.29

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Solution

The fourth proportional to 107,664.82, 161,497.29 and 48,431.29 is: 72,646.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,664.82 : 161,497.29 = 48,431.29 : x
  2. Step 2: Convert to fraction form
    107,664.82/161,497.29 = 48,431.29/x
  3. Step 3: Cross multiply
    107,664.82x = 161,497.29 × 48,431.29
  4. Step 4: Simplify right side
    107,664.82x = 7,821,522,086.20
  5. Step 5: Solve for x
    x = 7,821,522,086.20/107,664.82
  6. Step 6: Final answer
    x = 72,646.96

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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.