Home / 86,286.92-119,112.69-58,009.01

Finding the Fourth Proportional to 86,286.92, 119,112.69 and 58,009.01

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Solution

The fourth proportional to 86,286.92, 119,112.69 and 58,009.01 is: 80,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,286.92 : 119,112.69 = 58,009.01 : x
  2. Step 2: Convert to fraction form
    86,286.92/119,112.69 = 58,009.01/x
  3. Step 3: Cross multiply
    86,286.92x = 119,112.69 × 58,009.01
  4. Step 4: Simplify right side
    86,286.92x = 6,909,608,339.73
  5. Step 5: Solve for x
    x = 6,909,608,339.73/86,286.92
  6. Step 6: Final answer
    x = 80,077.13

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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.