Home / 109,827.54-164,678.82-43,231.56

Finding the Fourth Proportional to 109,827.54, 164,678.82 and 43,231.56

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Solution

The fourth proportional to 109,827.54, 164,678.82 and 43,231.56 is: 64,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,827.54 : 164,678.82 = 43,231.56 : x
  2. Step 2: Convert to fraction form
    109,827.54/164,678.82 = 43,231.56/x
  3. Step 3: Cross multiply
    109,827.54x = 164,678.82 × 43,231.56
  4. Step 4: Simplify right side
    109,827.54x = 7,119,322,287.56
  5. Step 5: Solve for x
    x = 7,119,322,287.56/109,827.54
  6. Step 6: Final answer
    x = 64,822.74

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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.