Home / 113,367.30-170,116.66-57,211.80

Finding the Fourth Proportional to 113,367.30, 170,116.66 and 57,211.80

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Solution

The fourth proportional to 113,367.30, 170,116.66 and 57,211.80 is: 85,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,367.30 : 170,116.66 = 57,211.80 : x
  2. Step 2: Convert to fraction form
    113,367.30/170,116.66 = 57,211.80/x
  3. Step 3: Cross multiply
    113,367.30x = 170,116.66 × 57,211.80
  4. Step 4: Simplify right side
    113,367.30x = 9,732,679,191.95
  5. Step 5: Solve for x
    x = 9,732,679,191.95/113,367.30
  6. Step 6: Final answer
    x = 85,850.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.