Home / 84,064.30-116,016.90-62,806.66

Finding the Fourth Proportional to 84,064.30, 116,016.90 and 62,806.66

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Solution

The fourth proportional to 84,064.30, 116,016.90 and 62,806.66 is: 86,679.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,064.30 : 116,016.90 = 62,806.66 : x
  2. Step 2: Convert to fraction form
    84,064.30/116,016.90 = 62,806.66/x
  3. Step 3: Cross multiply
    84,064.30x = 116,016.90 × 62,806.66
  4. Step 4: Simplify right side
    84,064.30x = 7,286,633,992.55
  5. Step 5: Solve for x
    x = 7,286,633,992.55/84,064.30
  6. Step 6: Final answer
    x = 86,679.29

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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.