Home / 123,651.24-185,491.44-39,382.08

Finding the Fourth Proportional to 123,651.24, 185,491.44 and 39,382.08

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Solution

The fourth proportional to 123,651.24, 185,491.44 and 39,382.08 is: 59,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,651.24 : 185,491.44 = 39,382.08 : x
  2. Step 2: Convert to fraction form
    123,651.24/185,491.44 = 39,382.08/x
  3. Step 3: Cross multiply
    123,651.24x = 185,491.44 × 39,382.08
  4. Step 4: Simplify right side
    123,651.24x = 7,305,038,729.40
  5. Step 5: Solve for x
    x = 7,305,038,729.40/123,651.24
  6. Step 6: Final answer
    x = 59,077.76

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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.