Home / 57,871.17-86,812.97-18,419.06

Finding the Fourth Proportional to 57,871.17, 86,812.97 and 18,419.06

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Solution

The fourth proportional to 57,871.17, 86,812.97 and 18,419.06 is: 27,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,871.17 : 86,812.97 = 18,419.06 : x
  2. Step 2: Convert to fraction form
    57,871.17/86,812.97 = 18,419.06/x
  3. Step 3: Cross multiply
    57,871.17x = 86,812.97 × 18,419.06
  4. Step 4: Simplify right side
    57,871.17x = 1,599,012,777.05
  5. Step 5: Solve for x
    x = 1,599,012,777.05/57,871.17
  6. Step 6: Final answer
    x = 27,630.56

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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.