Home / 84,077.26-115,960.96-53,865.37

Finding the Fourth Proportional to 84,077.26, 115,960.96 and 53,865.37

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Solution

The fourth proportional to 84,077.26, 115,960.96 and 53,865.37 is: 74,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,077.26 : 115,960.96 = 53,865.37 : x
  2. Step 2: Convert to fraction form
    84,077.26/115,960.96 = 53,865.37/x
  3. Step 3: Cross multiply
    84,077.26x = 115,960.96 × 53,865.37
  4. Step 4: Simplify right side
    84,077.26x = 6,246,280,015.96
  5. Step 5: Solve for x
    x = 6,246,280,015.96/84,077.26
  6. Step 6: Final answer
    x = 74,292.15

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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.