Home / 74,186.88-111,131.92-44,588.64

Finding the Fourth Proportional to 74,186.88, 111,131.92 and 44,588.64

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Solution

The fourth proportional to 74,186.88, 111,131.92 and 44,588.64 is: 66,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,186.88 : 111,131.92 = 44,588.64 : x
  2. Step 2: Convert to fraction form
    74,186.88/111,131.92 = 44,588.64/x
  3. Step 3: Cross multiply
    74,186.88x = 111,131.92 × 44,588.64
  4. Step 4: Simplify right side
    74,186.88x = 4,955,221,173.39
  5. Step 5: Solve for x
    x = 4,955,221,173.39/74,186.88
  6. Step 6: Final answer
    x = 66,793.77

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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.