Home / 103,636.60-155,546.03-61,463.95

Finding the Fourth Proportional to 103,636.60, 155,546.03 and 61,463.95

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Solution

The fourth proportional to 103,636.60, 155,546.03 and 61,463.95 is: 92,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.60 : 155,546.03 = 61,463.95 : x
  2. Step 2: Convert to fraction form
    103,636.60/155,546.03 = 61,463.95/x
  3. Step 3: Cross multiply
    103,636.60x = 155,546.03 × 61,463.95
  4. Step 4: Simplify right side
    103,636.60x = 9,560,473,410.62
  5. Step 5: Solve for x
    x = 9,560,473,410.62/103,636.60
  6. Step 6: Final answer
    x = 92,249.97

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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.