Home / 104,622.12-156,933.22-42,336.36

Finding the Fourth Proportional to 104,622.12, 156,933.22 and 42,336.36

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Solution

The fourth proportional to 104,622.12, 156,933.22 and 42,336.36 is: 63,504.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,622.12 : 156,933.22 = 42,336.36 : x
  2. Step 2: Convert to fraction form
    104,622.12/156,933.22 = 42,336.36/x
  3. Step 3: Cross multiply
    104,622.12x = 156,933.22 × 42,336.36
  4. Step 4: Simplify right side
    104,622.12x = 6,643,981,297.88
  5. Step 5: Solve for x
    x = 6,643,981,297.88/104,622.12
  6. Step 6: Final answer
    x = 63,504.56

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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.