Home / 66,227.36-91,634.42-57,747.15

Finding the Fourth Proportional to 66,227.36, 91,634.42 and 57,747.15

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Solution

The fourth proportional to 66,227.36, 91,634.42 and 57,747.15 is: 79,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,227.36 : 91,634.42 = 57,747.15 : x
  2. Step 2: Convert to fraction form
    66,227.36/91,634.42 = 57,747.15/x
  3. Step 3: Cross multiply
    66,227.36x = 91,634.42 × 57,747.15
  4. Step 4: Simplify right side
    66,227.36x = 5,291,626,632.99
  5. Step 5: Solve for x
    x = 5,291,626,632.99/66,227.36
  6. Step 6: Final answer
    x = 79,900.92

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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.