Home / 57,768.84-86,656.32-16,219.08

Finding the Fourth Proportional to 57,768.84, 86,656.32 and 16,219.08

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Solution

The fourth proportional to 57,768.84, 86,656.32 and 16,219.08 is: 24,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,768.84 : 86,656.32 = 16,219.08 : x
  2. Step 2: Convert to fraction form
    57,768.84/86,656.32 = 16,219.08/x
  3. Step 3: Cross multiply
    57,768.84x = 86,656.32 × 16,219.08
  4. Step 4: Simplify right side
    57,768.84x = 1,405,485,786.59
  5. Step 5: Solve for x
    x = 1,405,485,786.59/57,768.84
  6. Step 6: Final answer
    x = 24,329.48

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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.