Home / 103,741.60-155,637.04-33,620.96

Finding the Fourth Proportional to 103,741.60, 155,637.04 and 33,620.96

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Solution

The fourth proportional to 103,741.60, 155,637.04 and 33,620.96 is: 50,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,741.60 : 155,637.04 = 33,620.96 : x
  2. Step 2: Convert to fraction form
    103,741.60/155,637.04 = 33,620.96/x
  3. Step 3: Cross multiply
    103,741.60x = 155,637.04 × 33,620.96
  4. Step 4: Simplify right side
    103,741.60x = 5,232,666,696.36
  5. Step 5: Solve for x
    x = 5,232,666,696.36/103,741.60
  6. Step 6: Final answer
    x = 50,439.43

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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.