Home / 103,226.67-154,855.40-36,661.21

Finding the Fourth Proportional to 103,226.67, 154,855.40 and 36,661.21

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Solution

The fourth proportional to 103,226.67, 154,855.40 and 36,661.21 is: 54,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,226.67 : 154,855.40 = 36,661.21 : x
  2. Step 2: Convert to fraction form
    103,226.67/154,855.40 = 36,661.21/x
  3. Step 3: Cross multiply
    103,226.67x = 154,855.40 × 36,661.21
  4. Step 4: Simplify right side
    103,226.67x = 5,677,185,768.59
  5. Step 5: Solve for x
    x = 5,677,185,768.59/103,226.67
  6. Step 6: Final answer
    x = 54,997.28

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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.