Home / 103,410.36-155,130.21-33,273.36

Finding the Fourth Proportional to 103,410.36, 155,130.21 and 33,273.36

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Solution

The fourth proportional to 103,410.36, 155,130.21 and 33,273.36 is: 49,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,410.36 : 155,130.21 = 33,273.36 : x
  2. Step 2: Convert to fraction form
    103,410.36/155,130.21 = 33,273.36/x
  3. Step 3: Cross multiply
    103,410.36x = 155,130.21 × 33,273.36
  4. Step 4: Simplify right side
    103,410.36x = 5,161,703,324.21
  5. Step 5: Solve for x
    x = 5,161,703,324.21/103,410.36
  6. Step 6: Final answer
    x = 49,914.76

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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.