Home / 61,193.09-91,778.72-38,940.41

Finding the Fourth Proportional to 61,193.09, 91,778.72 and 38,940.41

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Solution

The fourth proportional to 61,193.09, 91,778.72 and 38,940.41 is: 58,403.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,193.09 : 91,778.72 = 38,940.41 : x
  2. Step 2: Convert to fraction form
    61,193.09/91,778.72 = 38,940.41/x
  3. Step 3: Cross multiply
    61,193.09x = 91,778.72 × 38,940.41
  4. Step 4: Simplify right side
    61,193.09x = 3,573,900,791.37
  5. Step 5: Solve for x
    x = 3,573,900,791.37/61,193.09
  6. Step 6: Final answer
    x = 58,403.67

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1.5x scale

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.