Home / 86,057.24-118,755.92-47,816.33

Finding the Fourth Proportional to 86,057.24, 118,755.92 and 47,816.33

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Solution

The fourth proportional to 86,057.24, 118,755.92 and 47,816.33 is: 65,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,057.24 : 118,755.92 = 47,816.33 : x
  2. Step 2: Convert to fraction form
    86,057.24/118,755.92 = 47,816.33/x
  3. Step 3: Cross multiply
    86,057.24x = 118,755.92 × 47,816.33
  4. Step 4: Simplify right side
    86,057.24x = 5,678,471,785.93
  5. Step 5: Solve for x
    x = 5,678,471,785.93/86,057.24
  6. Step 6: Final answer
    x = 65,984.83

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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.