Home / 110,867.85-166,306.07-38,806.81

Finding the Fourth Proportional to 110,867.85, 166,306.07 and 38,806.81

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Solution

The fourth proportional to 110,867.85, 166,306.07 and 38,806.81 is: 58,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,867.85 : 166,306.07 = 38,806.81 : x
  2. Step 2: Convert to fraction form
    110,867.85/166,306.07 = 38,806.81/x
  3. Step 3: Cross multiply
    110,867.85x = 166,306.07 × 38,806.81
  4. Step 4: Simplify right side
    110,867.85x = 6,453,807,866.30
  5. Step 5: Solve for x
    x = 6,453,807,866.30/110,867.85
  6. Step 6: Final answer
    x = 58,211.72

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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.