Home / 77,202.27-115,766.42-37,713.15

Finding the Fourth Proportional to 77,202.27, 115,766.42 and 37,713.15

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Solution

The fourth proportional to 77,202.27, 115,766.42 and 37,713.15 is: 56,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,202.27 : 115,766.42 = 37,713.15 : x
  2. Step 2: Convert to fraction form
    77,202.27/115,766.42 = 37,713.15/x
  3. Step 3: Cross multiply
    77,202.27x = 115,766.42 × 37,713.15
  4. Step 4: Simplify right side
    77,202.27x = 4,365,916,173.86
  5. Step 5: Solve for x
    x = 4,365,916,173.86/77,202.27
  6. Step 6: Final answer
    x = 56,551.66

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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.