Home / 104,664.10-156,947.55-45,469.30

Finding the Fourth Proportional to 104,664.10, 156,947.55 and 45,469.30

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Solution

The fourth proportional to 104,664.10, 156,947.55 and 45,469.30 is: 68,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,664.10 : 156,947.55 = 45,469.30 : x
  2. Step 2: Convert to fraction form
    104,664.10/156,947.55 = 45,469.30/x
  3. Step 3: Cross multiply
    104,664.10x = 156,947.55 × 45,469.30
  4. Step 4: Simplify right side
    104,664.10x = 7,136,295,235.22
  5. Step 5: Solve for x
    x = 7,136,295,235.22/104,664.10
  6. Step 6: Final answer
    x = 68,182.84

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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.