Home / 91,914.24-137,893.53-31,933.98

Finding the Fourth Proportional to 91,914.24, 137,893.53 and 31,933.98

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Solution

The fourth proportional to 91,914.24, 137,893.53 and 31,933.98 is: 47,908.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,914.24 : 137,893.53 = 31,933.98 : x
  2. Step 2: Convert to fraction form
    91,914.24/137,893.53 = 31,933.98/x
  3. Step 3: Cross multiply
    91,914.24x = 137,893.53 × 31,933.98
  4. Step 4: Simplify right side
    91,914.24x = 4,403,489,229.15
  5. Step 5: Solve for x
    x = 4,403,489,229.15/91,914.24
  6. Step 6: Final answer
    x = 47,908.67

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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.