Home / 104,479.10-156,743.85-34,354.70

Finding the Fourth Proportional to 104,479.10, 156,743.85 and 34,354.70

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Solution

The fourth proportional to 104,479.10, 156,743.85 and 34,354.70 is: 51,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,479.10 : 156,743.85 = 34,354.70 : x
  2. Step 2: Convert to fraction form
    104,479.10/156,743.85 = 34,354.70/x
  3. Step 3: Cross multiply
    104,479.10x = 156,743.85 × 34,354.70
  4. Step 4: Simplify right side
    104,479.10x = 5,384,887,943.60
  5. Step 5: Solve for x
    x = 5,384,887,943.60/104,479.10
  6. Step 6: Final answer
    x = 51,540.34

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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.