Home / 68,772.72-103,194.60-29,319.24

Finding the Fourth Proportional to 68,772.72, 103,194.60 and 29,319.24

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Solution

The fourth proportional to 68,772.72, 103,194.60 and 29,319.24 is: 43,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,772.72 : 103,194.60 = 29,319.24 : x
  2. Step 2: Convert to fraction form
    68,772.72/103,194.60 = 29,319.24/x
  3. Step 3: Cross multiply
    68,772.72x = 103,194.60 × 29,319.24
  4. Step 4: Simplify right side
    68,772.72x = 3,025,587,244.10
  5. Step 5: Solve for x
    x = 3,025,587,244.10/68,772.72
  6. Step 6: Final answer
    x = 43,994.00

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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.