Home / 104,630.20-156,945.30-34,505.80

Finding the Fourth Proportional to 104,630.20, 156,945.30 and 34,505.80

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Solution

The fourth proportional to 104,630.20, 156,945.30 and 34,505.80 is: 51,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,630.20 : 156,945.30 = 34,505.80 : x
  2. Step 2: Convert to fraction form
    104,630.20/156,945.30 = 34,505.80/x
  3. Step 3: Cross multiply
    104,630.20x = 156,945.30 × 34,505.80
  4. Step 4: Simplify right side
    104,630.20x = 5,415,523,132.74
  5. Step 5: Solve for x
    x = 5,415,523,132.74/104,630.20
  6. Step 6: Final answer
    x = 51,758.70

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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.