Home / 120,556.25-180,844.23-60,553.87

Finding the Fourth Proportional to 120,556.25, 180,844.23 and 60,553.87

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Solution

The fourth proportional to 120,556.25, 180,844.23 and 60,553.87 is: 90,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,556.25 : 180,844.23 = 60,553.87 : x
  2. Step 2: Convert to fraction form
    120,556.25/180,844.23 = 60,553.87/x
  3. Step 3: Cross multiply
    120,556.25x = 180,844.23 × 60,553.87
  4. Step 4: Simplify right side
    120,556.25x = 10,950,817,993.67
  5. Step 5: Solve for x
    x = 10,950,817,993.67/120,556.25
  6. Step 6: Final answer
    x = 90,835.76

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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.