Home / 84,274.24-116,187.72-64,914.94

Finding the Fourth Proportional to 84,274.24, 116,187.72 and 64,914.94

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Solution

The fourth proportional to 84,274.24, 116,187.72 and 64,914.94 is: 89,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,274.24 : 116,187.72 = 64,914.94 : x
  2. Step 2: Convert to fraction form
    84,274.24/116,187.72 = 64,914.94/x
  3. Step 3: Cross multiply
    84,274.24x = 116,187.72 × 64,914.94
  4. Step 4: Simplify right side
    84,274.24x = 7,542,318,872.54
  5. Step 5: Solve for x
    x = 7,542,318,872.54/84,274.24
  6. Step 6: Final answer
    x = 89,497.32

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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.