Home / 91,640.96-137,445.20-41,709.44

Finding the Fourth Proportional to 91,640.96, 137,445.20 and 41,709.44

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Solution

The fourth proportional to 91,640.96, 137,445.20 and 41,709.44 is: 62,556.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,640.96 : 137,445.20 = 41,709.44 : x
  2. Step 2: Convert to fraction form
    91,640.96/137,445.20 = 41,709.44/x
  3. Step 3: Cross multiply
    91,640.96x = 137,445.20 × 41,709.44
  4. Step 4: Simplify right side
    91,640.96x = 5,732,762,322.69
  5. Step 5: Solve for x
    x = 5,732,762,322.69/91,640.96
  6. Step 6: Final answer
    x = 62,556.77

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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.