Home / 123,856.24-185,781.12-43,893.04

Finding the Fourth Proportional to 123,856.24, 185,781.12 and 43,893.04

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Solution

The fourth proportional to 123,856.24, 185,781.12 and 43,893.04 is: 65,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,856.24 : 185,781.12 = 43,893.04 : x
  2. Step 2: Convert to fraction form
    123,856.24/185,781.12 = 43,893.04/x
  3. Step 3: Cross multiply
    123,856.24x = 185,781.12 × 43,893.04
  4. Step 4: Simplify right side
    123,856.24x = 8,154,498,131.40
  5. Step 5: Solve for x
    x = 8,154,498,131.40/123,856.24
  6. Step 6: Final answer
    x = 65,838.41

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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.