Home / 69,132.32-103,669.13-29,169.23

Finding the Fourth Proportional to 69,132.32, 103,669.13 and 29,169.23

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Solution

The fourth proportional to 69,132.32, 103,669.13 and 29,169.23 is: 43,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,132.32 : 103,669.13 = 29,169.23 : x
  2. Step 2: Convert to fraction form
    69,132.32/103,669.13 = 29,169.23/x
  3. Step 3: Cross multiply
    69,132.32x = 103,669.13 × 29,169.23
  4. Step 4: Simplify right side
    69,132.32x = 3,023,948,696.87
  5. Step 5: Solve for x
    x = 3,023,948,696.87/69,132.32
  6. Step 6: Final answer
    x = 43,741.46

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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.