Home / 104,465.10-156,722.85-34,340.70

Finding the Fourth Proportional to 104,465.10, 156,722.85 and 34,340.70

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Solution

The fourth proportional to 104,465.10, 156,722.85 and 34,340.70 is: 51,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,465.10 : 156,722.85 = 34,340.70 : x
  2. Step 2: Convert to fraction form
    104,465.10/156,722.85 = 34,340.70/x
  3. Step 3: Cross multiply
    104,465.10x = 156,722.85 × 34,340.70
  4. Step 4: Simplify right side
    104,465.10x = 5,381,972,375.00
  5. Step 5: Solve for x
    x = 5,381,972,375.00/104,465.10
  6. Step 6: Final answer
    x = 51,519.33

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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.