Home / 66,815.48-99,991.14-41,504.60

Finding the Fourth Proportional to 66,815.48, 99,991.14 and 41,504.60

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Solution

The fourth proportional to 66,815.48, 99,991.14 and 41,504.60 is: 62,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,815.48 : 99,991.14 = 41,504.60 : x
  2. Step 2: Convert to fraction form
    66,815.48/99,991.14 = 41,504.60/x
  3. Step 3: Cross multiply
    66,815.48x = 99,991.14 × 41,504.60
  4. Step 4: Simplify right side
    66,815.48x = 4,150,092,269.24
  5. Step 5: Solve for x
    x = 4,150,092,269.24/66,815.48
  6. Step 6: Final answer
    x = 62,112.74

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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.