Home / 107,938.77-161,895.52-29,046.79

Finding the Fourth Proportional to 107,938.77, 161,895.52 and 29,046.79

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Solution

The fourth proportional to 107,938.77, 161,895.52 and 29,046.79 is: 43,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,938.77 : 161,895.52 = 29,046.79 : x
  2. Step 2: Convert to fraction form
    107,938.77/161,895.52 = 29,046.79/x
  3. Step 3: Cross multiply
    107,938.77x = 161,895.52 × 29,046.79
  4. Step 4: Simplify right side
    107,938.77x = 4,702,545,171.38
  5. Step 5: Solve for x
    x = 4,702,545,171.38/107,938.77
  6. Step 6: Final answer
    x = 43,566.78

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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.