Home / 103,467.40-155,202.78-33,347.08

Finding the Fourth Proportional to 103,467.40, 155,202.78 and 33,347.08

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Solution

The fourth proportional to 103,467.40, 155,202.78 and 33,347.08 is: 50,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,467.40 : 155,202.78 = 33,347.08 : x
  2. Step 2: Convert to fraction form
    103,467.40/155,202.78 = 33,347.08/x
  3. Step 3: Cross multiply
    103,467.40x = 155,202.78 × 33,347.08
  4. Step 4: Simplify right side
    103,467.40x = 5,175,559,520.88
  5. Step 5: Solve for x
    x = 5,175,559,520.88/103,467.40
  6. Step 6: Final answer
    x = 50,021.16

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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.