Home / 117,739.22-176,614.94-38,859.60

Finding the Fourth Proportional to 117,739.22, 176,614.94 and 38,859.60

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Solution

The fourth proportional to 117,739.22, 176,614.94 and 38,859.60 is: 58,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,739.22 : 176,614.94 = 38,859.60 : x
  2. Step 2: Convert to fraction form
    117,739.22/176,614.94 = 38,859.60/x
  3. Step 3: Cross multiply
    117,739.22x = 176,614.94 × 38,859.60
  4. Step 4: Simplify right side
    117,739.22x = 6,863,185,728.13
  5. Step 5: Solve for x
    x = 6,863,185,728.13/117,739.22
  6. Step 6: Final answer
    x = 58,291.42

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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.