Home / 104,622.10-156,933.15-69,447.70

Finding the Fourth Proportional to 104,622.10, 156,933.15 and 69,447.70

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Solution

The fourth proportional to 104,622.10, 156,933.15 and 69,447.70 is: 104,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,622.10 : 156,933.15 = 69,447.70 : x
  2. Step 2: Convert to fraction form
    104,622.10/156,933.15 = 69,447.70/x
  3. Step 3: Cross multiply
    104,622.10x = 156,933.15 × 69,447.70
  4. Step 4: Simplify right side
    104,622.10x = 10,898,646,321.26
  5. Step 5: Solve for x
    x = 10,898,646,321.26/104,622.10
  6. Step 6: Final answer
    x = 104,171.55

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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.