Home / 104,503.10-156,793.05-42,179.90

Finding the Fourth Proportional to 104,503.10, 156,793.05 and 42,179.90

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Solution

The fourth proportional to 104,503.10, 156,793.05 and 42,179.90 is: 63,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,503.10 : 156,793.05 = 42,179.90 : x
  2. Step 2: Convert to fraction form
    104,503.10/156,793.05 = 42,179.90/x
  3. Step 3: Cross multiply
    104,503.10x = 156,793.05 × 42,179.90
  4. Step 4: Simplify right side
    104,503.10x = 6,613,515,169.70
  5. Step 5: Solve for x
    x = 6,613,515,169.70/104,503.10
  6. Step 6: Final answer
    x = 63,285.35

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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.