Home / 68,519.72-102,633.75-38,922.32

Finding the Fourth Proportional to 68,519.72, 102,633.75 and 38,922.32

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Solution

The fourth proportional to 68,519.72, 102,633.75 and 38,922.32 is: 58,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,519.72 : 102,633.75 = 38,922.32 : x
  2. Step 2: Convert to fraction form
    68,519.72/102,633.75 = 38,922.32/x
  3. Step 3: Cross multiply
    68,519.72x = 102,633.75 × 38,922.32
  4. Step 4: Simplify right side
    68,519.72x = 3,994,743,916.88
  5. Step 5: Solve for x
    x = 3,994,743,916.88/68,519.72
  6. Step 6: Final answer
    x = 58,300.64

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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.