Home / 104,486.42-156,737.07-51,842.90

Finding the Fourth Proportional to 104,486.42, 156,737.07 and 51,842.90

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Solution

The fourth proportional to 104,486.42, 156,737.07 and 51,842.90 is: 77,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,486.42 : 156,737.07 = 51,842.90 : x
  2. Step 2: Convert to fraction form
    104,486.42/156,737.07 = 51,842.90/x
  3. Step 3: Cross multiply
    104,486.42x = 156,737.07 × 51,842.90
  4. Step 4: Simplify right side
    104,486.42x = 8,125,704,246.30
  5. Step 5: Solve for x
    x = 8,125,704,246.30/104,486.42
  6. Step 6: Final answer
    x = 77,768.04

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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.