Home / 69,132.20-103,672.38-29,669

Finding the Fourth Proportional to 69,132.20, 103,672.38 and 29,669

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Solution

The fourth proportional to 69,132.20, 103,672.38 and 29,669 is: 44,492.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,132.20 : 103,672.38 = 29,669 : x
  2. Step 2: Convert to fraction form
    69,132.20/103,672.38 = 29,669/x
  3. Step 3: Cross multiply
    69,132.20x = 103,672.38 × 29,669
  4. Step 4: Simplify right side
    69,132.20x = 3,075,855,842.22
  5. Step 5: Solve for x
    x = 3,075,855,842.22/69,132.20
  6. Step 6: Final answer
    x = 44,492.38

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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.