Home / 104,028.23-156,042.38-25,142.45

Finding the Fourth Proportional to 104,028.23, 156,042.38 and 25,142.45

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Solution

The fourth proportional to 104,028.23, 156,042.38 and 25,142.45 is: 37,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,028.23 : 156,042.38 = 25,142.45 : x
  2. Step 2: Convert to fraction form
    104,028.23/156,042.38 = 25,142.45/x
  3. Step 3: Cross multiply
    104,028.23x = 156,042.38 × 25,142.45
  4. Step 4: Simplify right side
    104,028.23x = 3,923,286,831.11
  5. Step 5: Solve for x
    x = 3,923,286,831.11/104,028.23
  6. Step 6: Final answer
    x = 37,713.68

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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.