Home / 104,644.20-156,966.30-34,519.80

Finding the Fourth Proportional to 104,644.20, 156,966.30 and 34,519.80

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Solution

The fourth proportional to 104,644.20, 156,966.30 and 34,519.80 is: 51,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,644.20 : 156,966.30 = 34,519.80 : x
  2. Step 2: Convert to fraction form
    104,644.20/156,966.30 = 34,519.80/x
  3. Step 3: Cross multiply
    104,644.20x = 156,966.30 × 34,519.80
  4. Step 4: Simplify right side
    104,644.20x = 5,418,445,282.74
  5. Step 5: Solve for x
    x = 5,418,445,282.74/104,644.20
  6. Step 6: Final answer
    x = 51,779.70

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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.