Home / 105,550.92-158,326.14-43,221.48

Finding the Fourth Proportional to 105,550.92, 158,326.14 and 43,221.48

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Solution

The fourth proportional to 105,550.92, 158,326.14 and 43,221.48 is: 64,832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,550.92 : 158,326.14 = 43,221.48 : x
  2. Step 2: Convert to fraction form
    105,550.92/158,326.14 = 43,221.48/x
  3. Step 3: Cross multiply
    105,550.92x = 158,326.14 × 43,221.48
  4. Step 4: Simplify right side
    105,550.92x = 6,843,090,093.49
  5. Step 5: Solve for x
    x = 6,843,090,093.49/105,550.92
  6. Step 6: Final answer
    x = 64,832.12

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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.