Home / 75,968.85-104,815.65-43,701.80

Finding the Fourth Proportional to 75,968.85, 104,815.65 and 43,701.80

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Solution

The fourth proportional to 75,968.85, 104,815.65 and 43,701.80 is: 60,296.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,968.85 : 104,815.65 = 43,701.80 : x
  2. Step 2: Convert to fraction form
    75,968.85/104,815.65 = 43,701.80/x
  3. Step 3: Cross multiply
    75,968.85x = 104,815.65 × 43,701.80
  4. Step 4: Simplify right side
    75,968.85x = 4,580,632,049.09
  5. Step 5: Solve for x
    x = 4,580,632,049.09/75,968.85
  6. Step 6: Final answer
    x = 60,296.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.