Home / 120,764.10-181,232.55-50,693.70

Finding the Fourth Proportional to 120,764.10, 181,232.55 and 50,693.70

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Solution

The fourth proportional to 120,764.10, 181,232.55 and 50,693.70 is: 76,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,764.10 : 181,232.55 = 50,693.70 : x
  2. Step 2: Convert to fraction form
    120,764.10/181,232.55 = 50,693.70/x
  3. Step 3: Cross multiply
    120,764.10x = 181,232.55 × 50,693.70
  4. Step 4: Simplify right side
    120,764.10x = 9,187,348,519.94
  5. Step 5: Solve for x
    x = 9,187,348,519.94/120,764.10
  6. Step 6: Final answer
    x = 76,076.82

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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.