Home / 103,945.10-155,933.99-33,808.01

Finding the Fourth Proportional to 103,945.10, 155,933.99 and 33,808.01

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Solution

The fourth proportional to 103,945.10, 155,933.99 and 33,808.01 is: 50,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,945.10 : 155,933.99 = 33,808.01 : x
  2. Step 2: Convert to fraction form
    103,945.10/155,933.99 = 33,808.01/x
  3. Step 3: Cross multiply
    103,945.10x = 155,933.99 × 33,808.01
  4. Step 4: Simplify right side
    103,945.10x = 5,271,817,893.26
  5. Step 5: Solve for x
    x = 5,271,817,893.26/103,945.10
  6. Step 6: Final answer
    x = 50,717.33

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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.