Home / 123,480.82-170,403.53-66,892.19

Finding the Fourth Proportional to 123,480.82, 170,403.53 and 66,892.19

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Solution

The fourth proportional to 123,480.82, 170,403.53 and 66,892.19 is: 92,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,480.82 : 170,403.53 = 66,892.19 : x
  2. Step 2: Convert to fraction form
    123,480.82/170,403.53 = 66,892.19/x
  3. Step 3: Cross multiply
    123,480.82x = 170,403.53 × 66,892.19
  4. Step 4: Simplify right side
    123,480.82x = 11,398,665,898.67
  5. Step 5: Solve for x
    x = 11,398,665,898.67/123,480.82
  6. Step 6: Final answer
    x = 92,311.23

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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.