Home / 112,546.18-168,902.28-53,382.04

Finding the Fourth Proportional to 112,546.18, 168,902.28 and 53,382.04

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Solution

The fourth proportional to 112,546.18, 168,902.28 and 53,382.04 is: 80,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,546.18 : 168,902.28 = 53,382.04 : x
  2. Step 2: Convert to fraction form
    112,546.18/168,902.28 = 53,382.04/x
  3. Step 3: Cross multiply
    112,546.18x = 168,902.28 × 53,382.04
  4. Step 4: Simplify right side
    112,546.18x = 9,016,348,267.05
  5. Step 5: Solve for x
    x = 9,016,348,267.05/112,546.18
  6. Step 6: Final answer
    x = 80,112.43

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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.