Home / 79,551.73-109,781.61-45,560.75

Finding the Fourth Proportional to 79,551.73, 109,781.61 and 45,560.75

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Solution

The fourth proportional to 79,551.73, 109,781.61 and 45,560.75 is: 62,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,551.73 : 109,781.61 = 45,560.75 : x
  2. Step 2: Convert to fraction form
    79,551.73/109,781.61 = 45,560.75/x
  3. Step 3: Cross multiply
    79,551.73x = 109,781.61 × 45,560.75
  4. Step 4: Simplify right side
    79,551.73x = 5,001,732,487.81
  5. Step 5: Solve for x
    x = 5,001,732,487.81/79,551.73
  6. Step 6: Final answer
    x = 62,873.96

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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.