Home / 84,231.18-116,239.27-45,991.06

Finding the Fourth Proportional to 84,231.18, 116,239.27 and 45,991.06

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Solution

The fourth proportional to 84,231.18, 116,239.27 and 45,991.06 is: 63,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,231.18 : 116,239.27 = 45,991.06 : x
  2. Step 2: Convert to fraction form
    84,231.18/116,239.27 = 45,991.06/x
  3. Step 3: Cross multiply
    84,231.18x = 116,239.27 × 45,991.06
  4. Step 4: Simplify right side
    84,231.18x = 5,345,967,240.93
  5. Step 5: Solve for x
    x = 5,345,967,240.93/84,231.18
  6. Step 6: Final answer
    x = 63,467.79

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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.