Home / 63,186.36-94,778.58-18,813.38

Finding the Fourth Proportional to 63,186.36, 94,778.58 and 18,813.38

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Solution

The fourth proportional to 63,186.36, 94,778.58 and 18,813.38 is: 28,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,186.36 : 94,778.58 = 18,813.38 : x
  2. Step 2: Convert to fraction form
    63,186.36/94,778.58 = 18,813.38/x
  3. Step 3: Cross multiply
    63,186.36x = 94,778.58 × 18,813.38
  4. Step 4: Simplify right side
    63,186.36x = 1,783,105,441.40
  5. Step 5: Solve for x
    x = 1,783,105,441.40/63,186.36
  6. Step 6: Final answer
    x = 28,219.78

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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.