Home / 123,372.11-185,057.55-29,877.86

Finding the Fourth Proportional to 123,372.11, 185,057.55 and 29,877.86

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Solution

The fourth proportional to 123,372.11, 185,057.55 and 29,877.86 is: 44,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,372.11 : 185,057.55 = 29,877.86 : x
  2. Step 2: Convert to fraction form
    123,372.11/185,057.55 = 29,877.86/x
  3. Step 3: Cross multiply
    123,372.11x = 185,057.55 × 29,877.86
  4. Step 4: Simplify right side
    123,372.11x = 5,529,123,570.84
  5. Step 5: Solve for x
    x = 5,529,123,570.84/123,372.11
  6. Step 6: Final answer
    x = 44,816.64

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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.