Home / 123,523.30-170,462.01-66,934.66

Finding the Fourth Proportional to 123,523.30, 170,462.01 and 66,934.66

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Solution

The fourth proportional to 123,523.30, 170,462.01 and 66,934.66 is: 92,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,523.30 : 170,462.01 = 66,934.66 : x
  2. Step 2: Convert to fraction form
    123,523.30/170,462.01 = 66,934.66/x
  3. Step 3: Cross multiply
    123,523.30x = 170,462.01 × 66,934.66
  4. Step 4: Simplify right side
    123,523.30x = 11,409,816,682.27
  5. Step 5: Solve for x
    x = 11,409,816,682.27/123,523.30
  6. Step 6: Final answer
    x = 92,369.75

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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.