Home / 104,586.16-156,791.12-45,377.28

Finding the Fourth Proportional to 104,586.16, 156,791.12 and 45,377.28

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Solution

The fourth proportional to 104,586.16, 156,791.12 and 45,377.28 is: 68,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,586.16 : 156,791.12 = 45,377.28 : x
  2. Step 2: Convert to fraction form
    104,586.16/156,791.12 = 45,377.28/x
  3. Step 3: Cross multiply
    104,586.16x = 156,791.12 × 45,377.28
  4. Step 4: Simplify right side
    104,586.16x = 7,114,754,553.75
  5. Step 5: Solve for x
    x = 7,114,754,553.75/104,586.16
  6. Step 6: Final answer
    x = 68,027.69

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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.