Home / 66,912.23-92,338.61-36,696.75

Finding the Fourth Proportional to 66,912.23, 92,338.61 and 36,696.75

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Solution

The fourth proportional to 66,912.23, 92,338.61 and 36,696.75 is: 50,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,912.23 : 92,338.61 = 36,696.75 : x
  2. Step 2: Convert to fraction form
    66,912.23/92,338.61 = 36,696.75/x
  3. Step 3: Cross multiply
    66,912.23x = 92,338.61 × 36,696.75
  4. Step 4: Simplify right side
    66,912.23x = 3,388,526,703.03
  5. Step 5: Solve for x
    x = 3,388,526,703.03/66,912.23
  6. Step 6: Final answer
    x = 50,641.37

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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.