Home / 68,184.36-102,320.55-28,741.68

Finding the Fourth Proportional to 68,184.36, 102,320.55 and 28,741.68

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Solution

The fourth proportional to 68,184.36, 102,320.55 and 28,741.68 is: 43,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,184.36 : 102,320.55 = 28,741.68 : x
  2. Step 2: Convert to fraction form
    68,184.36/102,320.55 = 28,741.68/x
  3. Step 3: Cross multiply
    68,184.36x = 102,320.55 × 28,741.68
  4. Step 4: Simplify right side
    68,184.36x = 2,940,864,505.52
  5. Step 5: Solve for x
    x = 2,940,864,505.52/68,184.36
  6. Step 6: Final answer
    x = 43,131.07

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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.