Home / 78,997.10-118,471.55-41,536.85

Finding the Fourth Proportional to 78,997.10, 118,471.55 and 41,536.85

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Solution

The fourth proportional to 78,997.10, 118,471.55 and 41,536.85 is: 62,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,997.10 : 118,471.55 = 41,536.85 : x
  2. Step 2: Convert to fraction form
    78,997.10/118,471.55 = 41,536.85/x
  3. Step 3: Cross multiply
    78,997.10x = 118,471.55 × 41,536.85
  4. Step 4: Simplify right side
    78,997.10x = 4,920,934,201.58
  5. Step 5: Solve for x
    x = 4,920,934,201.58/78,997.10
  6. Step 6: Final answer
    x = 62,292.60

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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.