Home / 112,546.68-168,903.03-53,382.54

Finding the Fourth Proportional to 112,546.68, 168,903.03 and 53,382.54

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Solution

The fourth proportional to 112,546.68, 168,903.03 and 53,382.54 is: 80,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,546.68 : 168,903.03 = 53,382.54 : x
  2. Step 2: Convert to fraction form
    112,546.68/168,903.03 = 53,382.54/x
  3. Step 3: Cross multiply
    112,546.68x = 168,903.03 × 53,382.54
  4. Step 4: Simplify right side
    112,546.68x = 9,016,472,755.10
  5. Step 5: Solve for x
    x = 9,016,472,755.10/112,546.68
  6. Step 6: Final answer
    x = 80,113.18

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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.