Home / 252,012.02-377,958.32-72,091.90

Finding the Fourth Proportional to 252,012.02, 377,958.32 and 72,091.90

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Solution

The fourth proportional to 252,012.02, 377,958.32 and 72,091.90 is: 108,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,012.02 : 377,958.32 = 72,091.90 : x
  2. Step 2: Convert to fraction form
    252,012.02/377,958.32 = 72,091.90/x
  3. Step 3: Cross multiply
    252,012.02x = 377,958.32 × 72,091.90
  4. Step 4: Simplify right side
    252,012.02x = 27,247,733,791.94
  5. Step 5: Solve for x
    x = 27,247,733,791.94/252,012.02
  6. Step 6: Final answer
    x = 108,120.77

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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.