Home / 57,712.11-86,583.53-18,270.03

Finding the Fourth Proportional to 57,712.11, 86,583.53 and 18,270.03

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Solution

The fourth proportional to 57,712.11, 86,583.53 and 18,270.03 is: 27,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.11 : 86,583.53 = 18,270.03 : x
  2. Step 2: Convert to fraction form
    57,712.11/86,583.53 = 18,270.03/x
  3. Step 3: Cross multiply
    57,712.11x = 86,583.53 × 18,270.03
  4. Step 4: Simplify right side
    57,712.11x = 1,581,883,599.26
  5. Step 5: Solve for x
    x = 1,581,883,599.26/57,712.11
  6. Step 6: Final answer
    x = 27,409.91

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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.