Home / 57,508.24-86,270.60-18,068.43

Finding the Fourth Proportional to 57,508.24, 86,270.60 and 18,068.43

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Solution

The fourth proportional to 57,508.24, 86,270.60 and 18,068.43 is: 27,105.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,508.24 : 86,270.60 = 18,068.43 : x
  2. Step 2: Convert to fraction form
    57,508.24/86,270.60 = 18,068.43/x
  3. Step 3: Cross multiply
    57,508.24x = 86,270.60 × 18,068.43
  4. Step 4: Simplify right side
    57,508.24x = 1,558,774,297.16
  5. Step 5: Solve for x
    x = 1,558,774,297.16/57,508.24
  6. Step 6: Final answer
    x = 27,105.23

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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.