Home / 40,125.78-60,192.72-13,832.37

Finding the Fourth Proportional to 40,125.78, 60,192.72 and 13,832.37

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Solution

The fourth proportional to 40,125.78, 60,192.72 and 13,832.37 is: 20,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,125.78 : 60,192.72 = 13,832.37 : x
  2. Step 2: Convert to fraction form
    40,125.78/60,192.72 = 13,832.37/x
  3. Step 3: Cross multiply
    40,125.78x = 60,192.72 × 13,832.37
  4. Step 4: Simplify right side
    40,125.78x = 832,607,974.35
  5. Step 5: Solve for x
    x = 832,607,974.35/40,125.78
  6. Step 6: Final answer
    x = 20,749.95

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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.