Home / 69,173.29-103,743.33-31,709.98

Finding the Fourth Proportional to 69,173.29, 103,743.33 and 31,709.98

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Solution

The fourth proportional to 69,173.29, 103,743.33 and 31,709.98 is: 47,557.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,173.29 : 103,743.33 = 31,709.98 : x
  2. Step 2: Convert to fraction form
    69,173.29/103,743.33 = 31,709.98/x
  3. Step 3: Cross multiply
    69,173.29x = 103,743.33 × 31,709.98
  4. Step 4: Simplify right side
    69,173.29x = 3,289,698,919.43
  5. Step 5: Solve for x
    x = 3,289,698,919.43/69,173.29
  6. Step 6: Final answer
    x = 47,557.36

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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.