Home / 52,786.27-79,179.93-13,343.40

Finding the Fourth Proportional to 52,786.27, 79,179.93 and 13,343.40

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Solution

The fourth proportional to 52,786.27, 79,179.93 and 13,343.40 is: 20,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.27 : 79,179.93 = 13,343.40 : x
  2. Step 2: Convert to fraction form
    52,786.27/79,179.93 = 13,343.40/x
  3. Step 3: Cross multiply
    52,786.27x = 79,179.93 × 13,343.40
  4. Step 4: Simplify right side
    52,786.27x = 1,056,529,477.96
  5. Step 5: Solve for x
    x = 1,056,529,477.96/52,786.27
  6. Step 6: Final answer
    x = 20,015.23

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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.