Home / 123,093.24-169,868.58-66,504.60

Finding the Fourth Proportional to 123,093.24, 169,868.58 and 66,504.60

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Solution

The fourth proportional to 123,093.24, 169,868.58 and 66,504.60 is: 91,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,093.24 : 169,868.58 = 66,504.60 : x
  2. Step 2: Convert to fraction form
    123,093.24/169,868.58 = 66,504.60/x
  3. Step 3: Cross multiply
    123,093.24x = 169,868.58 × 66,504.60
  4. Step 4: Simplify right side
    123,093.24x = 11,297,041,965.47
  5. Step 5: Solve for x
    x = 11,297,041,965.47/123,093.24
  6. Step 6: Final answer
    x = 91,776.30

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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.