Home / 61,178.75-91,757.15-16,200.39

Finding the Fourth Proportional to 61,178.75, 91,757.15 and 16,200.39

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Solution

The fourth proportional to 61,178.75, 91,757.15 and 16,200.39 is: 24,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,178.75 : 91,757.15 = 16,200.39 : x
  2. Step 2: Convert to fraction form
    61,178.75/91,757.15 = 16,200.39/x
  3. Step 3: Cross multiply
    61,178.75x = 91,757.15 × 16,200.39
  4. Step 4: Simplify right side
    61,178.75x = 1,486,501,615.29
  5. Step 5: Solve for x
    x = 1,486,501,615.29/61,178.75
  6. Step 6: Final answer
    x = 24,297.68

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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.