Home / 116,524.13-160,779.15-68,116.66

Finding the Fourth Proportional to 116,524.13, 160,779.15 and 68,116.66

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Solution

The fourth proportional to 116,524.13, 160,779.15 and 68,116.66 is: 93,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,524.13 : 160,779.15 = 68,116.66 : x
  2. Step 2: Convert to fraction form
    116,524.13/160,779.15 = 68,116.66/x
  3. Step 3: Cross multiply
    116,524.13x = 160,779.15 × 68,116.66
  4. Step 4: Simplify right side
    116,524.13x = 10,951,738,549.13
  5. Step 5: Solve for x
    x = 10,951,738,549.13/116,524.13
  6. Step 6: Final answer
    x = 93,986.87

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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.