Home / 120,977.68-181,508.10-54,464.44

Finding the Fourth Proportional to 120,977.68, 181,508.10 and 54,464.44

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Solution

The fourth proportional to 120,977.68, 181,508.10 and 54,464.44 is: 81,715.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,977.68 : 181,508.10 = 54,464.44 : x
  2. Step 2: Convert to fraction form
    120,977.68/181,508.10 = 54,464.44/x
  3. Step 3: Cross multiply
    120,977.68x = 181,508.10 × 54,464.44
  4. Step 4: Simplify right side
    120,977.68x = 9,885,737,021.96
  5. Step 5: Solve for x
    x = 9,885,737,021.96/120,977.68
  6. Step 6: Final answer
    x = 81,715.38

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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.