Home / 69,032.72-103,449.96-29,579.12

Finding the Fourth Proportional to 69,032.72, 103,449.96 and 29,579.12

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Solution

The fourth proportional to 69,032.72, 103,449.96 and 29,579.12 is: 44,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,032.72 : 103,449.96 = 29,579.12 : x
  2. Step 2: Convert to fraction form
    69,032.72/103,449.96 = 29,579.12/x
  3. Step 3: Cross multiply
    69,032.72x = 103,449.96 × 29,579.12
  4. Step 4: Simplify right side
    69,032.72x = 3,059,958,780.84
  5. Step 5: Solve for x
    x = 3,059,958,780.84/69,032.72
  6. Step 6: Final answer
    x = 44,326.21

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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.