Home / 123,950.33-170,993.11-89,884.09

Finding the Fourth Proportional to 123,950.33, 170,993.11 and 89,884.09

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Solution

The fourth proportional to 123,950.33, 170,993.11 and 89,884.09 is: 123,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,950.33 : 170,993.11 = 89,884.09 : x
  2. Step 2: Convert to fraction form
    123,950.33/170,993.11 = 89,884.09/x
  3. Step 3: Cross multiply
    123,950.33x = 170,993.11 × 89,884.09
  4. Step 4: Simplify right side
    123,950.33x = 15,369,558,784.23
  5. Step 5: Solve for x
    x = 15,369,558,784.23/123,950.33
  6. Step 6: Final answer
    x = 123,997.73

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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.