Home / 120,644.24-180,937.20-50,576

Finding the Fourth Proportional to 120,644.24, 180,937.20 and 50,576

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Solution

The fourth proportional to 120,644.24, 180,937.20 and 50,576 is: 75,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,644.24 : 180,937.20 = 50,576 : x
  2. Step 2: Convert to fraction form
    120,644.24/180,937.20 = 50,576/x
  3. Step 3: Cross multiply
    120,644.24x = 180,937.20 × 50,576
  4. Step 4: Simplify right side
    120,644.24x = 9,151,079,827.20
  5. Step 5: Solve for x
    x = 9,151,079,827.20/120,644.24
  6. Step 6: Final answer
    x = 75,851.78

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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.