Home / 104,581.45-156,855.66-45,401.23

Finding the Fourth Proportional to 104,581.45, 156,855.66 and 45,401.23

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Solution

The fourth proportional to 104,581.45, 156,855.66 and 45,401.23 is: 68,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,581.45 : 156,855.66 = 45,401.23 : x
  2. Step 2: Convert to fraction form
    104,581.45/156,855.66 = 45,401.23/x
  3. Step 3: Cross multiply
    104,581.45x = 156,855.66 × 45,401.23
  4. Step 4: Simplify right side
    104,581.45x = 7,121,439,896.46
  5. Step 5: Solve for x
    x = 7,121,439,896.46/104,581.45
  6. Step 6: Final answer
    x = 68,094.68

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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.