Home / 81,204.40-112,096.62-49,383.52

Finding the Fourth Proportional to 81,204.40, 112,096.62 and 49,383.52

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Solution

The fourth proportional to 81,204.40, 112,096.62 and 49,383.52 is: 68,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,204.40 : 112,096.62 = 49,383.52 : x
  2. Step 2: Convert to fraction form
    81,204.40/112,096.62 = 49,383.52/x
  3. Step 3: Cross multiply
    81,204.40x = 112,096.62 × 49,383.52
  4. Step 4: Simplify right side
    81,204.40x = 5,535,725,675.70
  5. Step 5: Solve for x
    x = 5,535,725,675.70/81,204.40
  6. Step 6: Final answer
    x = 68,170.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.