Home / 99,440.11-149,155.30-37,105.75

Finding the Fourth Proportional to 99,440.11, 149,155.30 and 37,105.75

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Solution

The fourth proportional to 99,440.11, 149,155.30 and 37,105.75 is: 55,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,440.11 : 149,155.30 = 37,105.75 : x
  2. Step 2: Convert to fraction form
    99,440.11/149,155.30 = 37,105.75/x
  3. Step 3: Cross multiply
    99,440.11x = 149,155.30 × 37,105.75
  4. Step 4: Simplify right side
    99,440.11x = 5,534,519,272.98
  5. Step 5: Solve for x
    x = 5,534,519,272.98/99,440.11
  6. Step 6: Final answer
    x = 55,656.81

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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.