Home / 123,559.21-170,505.67-69,833.73

Finding the Fourth Proportional to 123,559.21, 170,505.67 and 69,833.73

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Solution

The fourth proportional to 123,559.21, 170,505.67 and 69,833.73 is: 96,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,559.21 : 170,505.67 = 69,833.73 : x
  2. Step 2: Convert to fraction form
    123,559.21/170,505.67 = 69,833.73/x
  3. Step 3: Cross multiply
    123,559.21x = 170,505.67 × 69,833.73
  4. Step 4: Simplify right side
    123,559.21x = 11,907,046,922.25
  5. Step 5: Solve for x
    x = 11,907,046,922.25/123,559.21
  6. Step 6: Final answer
    x = 96,367.13

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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.