Home / 84,656.23-116,801.97-66,695.50

Finding the Fourth Proportional to 84,656.23, 116,801.97 and 66,695.50

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Solution

The fourth proportional to 84,656.23, 116,801.97 and 66,695.50 is: 92,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,656.23 : 116,801.97 = 66,695.50 : x
  2. Step 2: Convert to fraction form
    84,656.23/116,801.97 = 66,695.50/x
  3. Step 3: Cross multiply
    84,656.23x = 116,801.97 × 66,695.50
  4. Step 4: Simplify right side
    84,656.23x = 7,790,165,790.14
  5. Step 5: Solve for x
    x = 7,790,165,790.14/84,656.23
  6. Step 6: Final answer
    x = 92,021.18

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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.