Home / 84,223.09-116,089.38-59,702.11

Finding the Fourth Proportional to 84,223.09, 116,089.38 and 59,702.11

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Solution

The fourth proportional to 84,223.09, 116,089.38 and 59,702.11 is: 82,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,223.09 : 116,089.38 = 59,702.11 : x
  2. Step 2: Convert to fraction form
    84,223.09/116,089.38 = 59,702.11/x
  3. Step 3: Cross multiply
    84,223.09x = 116,089.38 × 59,702.11
  4. Step 4: Simplify right side
    84,223.09x = 6,930,780,644.37
  5. Step 5: Solve for x
    x = 6,930,780,644.37/84,223.09
  6. Step 6: Final answer
    x = 82,290.75

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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.