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Finding the Fourth Proportional to 79,166.60, 118,713 and 45,896.20

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Solution

The fourth proportional to 79,166.60, 118,713 and 45,896.20 is: 68,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.60 : 118,713 = 45,896.20 : x
  2. Step 2: Convert to fraction form
    79,166.60/118,713 = 45,896.20/x
  3. Step 3: Cross multiply
    79,166.60x = 118,713 × 45,896.20
  4. Step 4: Simplify right side
    79,166.60x = 5,448,475,590.60
  5. Step 5: Solve for x
    x = 5,448,475,590.60/79,166.60
  6. Step 6: Final answer
    x = 68,822.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.