Home / 81,194.45-111,946.37-62,097.65

Finding the Fourth Proportional to 81,194.45, 111,946.37 and 62,097.65

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Solution

The fourth proportional to 81,194.45, 111,946.37 and 62,097.65 is: 85,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,194.45 : 111,946.37 = 62,097.65 : x
  2. Step 2: Convert to fraction form
    81,194.45/111,946.37 = 62,097.65/x
  3. Step 3: Cross multiply
    81,194.45x = 111,946.37 × 62,097.65
  4. Step 4: Simplify right side
    81,194.45x = 6,951,606,098.54
  5. Step 5: Solve for x
    x = 6,951,606,098.54/81,194.45
  6. Step 6: Final answer
    x = 85,616.77

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1.5x scale

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.