Home / 52,168.09-78,257.78-16,621.03

Finding the Fourth Proportional to 52,168.09, 78,257.78 and 16,621.03

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Solution

The fourth proportional to 52,168.09, 78,257.78 and 16,621.03 is: 24,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,168.09 : 78,257.78 = 16,621.03 : x
  2. Step 2: Convert to fraction form
    52,168.09/78,257.78 = 16,621.03/x
  3. Step 3: Cross multiply
    52,168.09x = 78,257.78 × 16,621.03
  4. Step 4: Simplify right side
    52,168.09x = 1,300,724,909.11
  5. Step 5: Solve for x
    x = 1,300,724,909.11/52,168.09
  6. Step 6: Final answer
    x = 24,933.34

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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.