Home / 69,224.10-103,765.68-31,758.36

Finding the Fourth Proportional to 69,224.10, 103,765.68 and 31,758.36

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Solution

The fourth proportional to 69,224.10, 103,765.68 and 31,758.36 is: 47,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,224.10 : 103,765.68 = 31,758.36 : x
  2. Step 2: Convert to fraction form
    69,224.10/103,765.68 = 31,758.36/x
  3. Step 3: Cross multiply
    69,224.10x = 103,765.68 × 31,758.36
  4. Step 4: Simplify right side
    69,224.10x = 3,295,427,821.08
  5. Step 5: Solve for x
    x = 3,295,427,821.08/69,224.10
  6. Step 6: Final answer
    x = 47,605.21

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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.