Home / 54,451.13-81,600.08-43,308.36

Finding the Fourth Proportional to 54,451.13, 81,600.08 and 43,308.36

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Solution

The fourth proportional to 54,451.13, 81,600.08 and 43,308.36 is: 64,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,451.13 : 81,600.08 = 43,308.36 : x
  2. Step 2: Convert to fraction form
    54,451.13/81,600.08 = 43,308.36/x
  3. Step 3: Cross multiply
    54,451.13x = 81,600.08 × 43,308.36
  4. Step 4: Simplify right side
    54,451.13x = 3,533,965,424.13
  5. Step 5: Solve for x
    x = 3,533,965,424.13/54,451.13
  6. Step 6: Final answer
    x = 64,901.61

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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.