Home / 66,384.00-91,608.76-36,169.54

Finding the Fourth Proportional to 66,384.00, 91,608.76 and 36,169.54

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Solution

The fourth proportional to 66,384.00, 91,608.76 and 36,169.54 is: 49,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,384.00 : 91,608.76 = 36,169.54 : x
  2. Step 2: Convert to fraction form
    66,384.00/91,608.76 = 36,169.54/x
  3. Step 3: Cross multiply
    66,384.00x = 91,608.76 × 36,169.54
  4. Step 4: Simplify right side
    66,384.00x = 3,313,446,860.97
  5. Step 5: Solve for x
    x = 3,313,446,860.97/66,384.00
  6. Step 6: Final answer
    x = 49,913.33

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1.5x scale

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.