Home / 120,775.24-181,104.34-50,635.72

Finding the Fourth Proportional to 120,775.24, 181,104.34 and 50,635.72

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Solution

The fourth proportional to 120,775.24, 181,104.34 and 50,635.72 is: 75,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,775.24 : 181,104.34 = 50,635.72 : x
  2. Step 2: Convert to fraction form
    120,775.24/181,104.34 = 50,635.72/x
  3. Step 3: Cross multiply
    120,775.24x = 181,104.34 × 50,635.72
  4. Step 4: Simplify right side
    120,775.24x = 9,170,348,651.02
  5. Step 5: Solve for x
    x = 9,170,348,651.02/120,775.24
  6. Step 6: Final answer
    x = 75,929.05

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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.