Home / 112,579.15-168,889.19-53,414.27

Finding the Fourth Proportional to 112,579.15, 168,889.19 and 53,414.27

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Solution

The fourth proportional to 112,579.15, 168,889.19 and 53,414.27 is: 80,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,579.15 : 168,889.19 = 53,414.27 : x
  2. Step 2: Convert to fraction form
    112,579.15/168,889.19 = 53,414.27/x
  3. Step 3: Cross multiply
    112,579.15x = 168,889.19 × 53,414.27
  4. Step 4: Simplify right side
    112,579.15x = 9,021,092,316.56
  5. Step 5: Solve for x
    x = 9,021,092,316.56/112,579.15
  6. Step 6: Final answer
    x = 80,131.11

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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.