Home / 112,849.05-169,273.82-28,609.19

Finding the Fourth Proportional to 112,849.05, 169,273.82 and 28,609.19

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Solution

The fourth proportional to 112,849.05, 169,273.82 and 28,609.19 is: 42,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,849.05 : 169,273.82 = 28,609.19 : x
  2. Step 2: Convert to fraction form
    112,849.05/169,273.82 = 28,609.19/x
  3. Step 3: Cross multiply
    112,849.05x = 169,273.82 × 28,609.19
  4. Step 4: Simplify right side
    112,849.05x = 4,842,786,878.41
  5. Step 5: Solve for x
    x = 4,842,786,878.41/112,849.05
  6. Step 6: Final answer
    x = 42,913.85

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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.