Home / 123,669.99-185,519.57-39,400.83

Finding the Fourth Proportional to 123,669.99, 185,519.57 and 39,400.83

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Solution

The fourth proportional to 123,669.99, 185,519.57 and 39,400.83 is: 59,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,669.99 : 185,519.57 = 39,400.83 : x
  2. Step 2: Convert to fraction form
    123,669.99/185,519.57 = 39,400.83/x
  3. Step 3: Cross multiply
    123,669.99x = 185,519.57 × 39,400.83
  4. Step 4: Simplify right side
    123,669.99x = 7,309,624,842.24
  5. Step 5: Solve for x
    x = 7,309,624,842.24/123,669.99
  6. Step 6: Final answer
    x = 59,105.89

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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.