Home / 104,241.20-156,406.08-51,651.68

Finding the Fourth Proportional to 104,241.20, 156,406.08 and 51,651.68

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Solution

The fourth proportional to 104,241.20, 156,406.08 and 51,651.68 is: 77,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,241.20 : 156,406.08 = 51,651.68 : x
  2. Step 2: Convert to fraction form
    104,241.20/156,406.08 = 51,651.68/x
  3. Step 3: Cross multiply
    104,241.20x = 156,406.08 × 51,651.68
  4. Step 4: Simplify right side
    104,241.20x = 8,078,636,794.21
  5. Step 5: Solve for x
    x = 8,078,636,794.21/104,241.20
  6. Step 6: Final answer
    x = 77,499.46

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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.