Home / 104,661.10-156,943.05-45,466.30

Finding the Fourth Proportional to 104,661.10, 156,943.05 and 45,466.30

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Solution

The fourth proportional to 104,661.10, 156,943.05 and 45,466.30 is: 68,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,661.10 : 156,943.05 = 45,466.30 : x
  2. Step 2: Convert to fraction form
    104,661.10/156,943.05 = 45,466.30/x
  3. Step 3: Cross multiply
    104,661.10x = 156,943.05 × 45,466.30
  4. Step 4: Simplify right side
    104,661.10x = 7,135,619,794.22
  5. Step 5: Solve for x
    x = 7,135,619,794.22/104,661.10
  6. Step 6: Final answer
    x = 68,178.34

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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.