Home / 84,087.16-116,541.18-82,512.52

Finding the Fourth Proportional to 84,087.16, 116,541.18 and 82,512.52

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Solution

The fourth proportional to 84,087.16, 116,541.18 and 82,512.52 is: 114,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,087.16 : 116,541.18 = 82,512.52 : x
  2. Step 2: Convert to fraction form
    84,087.16/116,541.18 = 82,512.52/x
  3. Step 3: Cross multiply
    84,087.16x = 116,541.18 × 82,512.52
  4. Step 4: Simplify right side
    84,087.16x = 9,616,105,450.31
  5. Step 5: Solve for x
    x = 9,616,105,450.31/84,087.16
  6. Step 6: Final answer
    x = 114,358.79

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.