Home / 66,586.44-91,907.82-38,301.24

Finding the Fourth Proportional to 66,586.44, 91,907.82 and 38,301.24

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Solution

The fourth proportional to 66,586.44, 91,907.82 and 38,301.24 is: 52,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,586.44 : 91,907.82 = 38,301.24 : x
  2. Step 2: Convert to fraction form
    66,586.44/91,907.82 = 38,301.24/x
  3. Step 3: Cross multiply
    66,586.44x = 91,907.82 × 38,301.24
  4. Step 4: Simplify right side
    66,586.44x = 3,520,183,471.70
  5. Step 5: Solve for x
    x = 3,520,183,471.70/66,586.44
  6. Step 6: Final answer
    x = 52,866.37

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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.