Home / 48,201.78-72,247.23-18,606.66

Finding the Fourth Proportional to 48,201.78, 72,247.23 and 18,606.66

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Solution

The fourth proportional to 48,201.78, 72,247.23 and 18,606.66 is: 27,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,201.78 : 72,247.23 = 18,606.66 : x
  2. Step 2: Convert to fraction form
    48,201.78/72,247.23 = 18,606.66/x
  3. Step 3: Cross multiply
    48,201.78x = 72,247.23 × 18,606.66
  4. Step 4: Simplify right side
    48,201.78x = 1,344,279,644.55
  5. Step 5: Solve for x
    x = 1,344,279,644.55/48,201.78
  6. Step 6: Final answer
    x = 27,888.59

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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.