Home / 135,112.86-202,638.24-50,881.77

Finding the Fourth Proportional to 135,112.86, 202,638.24 and 50,881.77

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Solution

The fourth proportional to 135,112.86, 202,638.24 and 50,881.77 is: 76,310.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,112.86 : 202,638.24 = 50,881.77 : x
  2. Step 2: Convert to fraction form
    135,112.86/202,638.24 = 50,881.77/x
  3. Step 3: Cross multiply
    135,112.86x = 202,638.24 × 50,881.77
  4. Step 4: Simplify right side
    135,112.86x = 10,310,592,320.88
  5. Step 5: Solve for x
    x = 10,310,592,320.88/135,112.86
  6. Step 6: Final answer
    x = 76,310.96

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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.