Home / 69,210.88-103,735.33-31,774.57

Finding the Fourth Proportional to 69,210.88, 103,735.33 and 31,774.57

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Solution

The fourth proportional to 69,210.88, 103,735.33 and 31,774.57 is: 47,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,210.88 : 103,735.33 = 31,774.57 : x
  2. Step 2: Convert to fraction form
    69,210.88/103,735.33 = 31,774.57/x
  3. Step 3: Cross multiply
    69,210.88x = 103,735.33 × 31,774.57
  4. Step 4: Simplify right side
    69,210.88x = 3,296,145,504.56
  5. Step 5: Solve for x
    x = 3,296,145,504.56/69,210.88
  6. Step 6: Final answer
    x = 47,624.67

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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.