Home / 103,519.08-155,245.38-33,381.96

Finding the Fourth Proportional to 103,519.08, 155,245.38 and 33,381.96

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Solution

The fourth proportional to 103,519.08, 155,245.38 and 33,381.96 is: 50,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,519.08 : 155,245.38 = 33,381.96 : x
  2. Step 2: Convert to fraction form
    103,519.08/155,245.38 = 33,381.96/x
  3. Step 3: Cross multiply
    103,519.08x = 155,245.38 × 33,381.96
  4. Step 4: Simplify right side
    103,519.08x = 5,182,395,065.34
  5. Step 5: Solve for x
    x = 5,182,395,065.34/103,519.08
  6. Step 6: Final answer
    x = 50,062.22

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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.