Home / 91,709.15-126,559.97-53,467.63

Finding the Fourth Proportional to 91,709.15, 126,559.97 and 53,467.63

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Solution

The fourth proportional to 91,709.15, 126,559.97 and 53,467.63 is: 73,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,709.15 : 126,559.97 = 53,467.63 : x
  2. Step 2: Convert to fraction form
    91,709.15/126,559.97 = 53,467.63/x
  3. Step 3: Cross multiply
    91,709.15x = 126,559.97 × 53,467.63
  4. Step 4: Simplify right side
    91,709.15x = 6,766,861,265.54
  5. Step 5: Solve for x
    x = 6,766,861,265.54/91,709.15
  6. Step 6: Final answer
    x = 73,786.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.