Home / 69,082.07-94,920.12-54,910.31

Finding the Fourth Proportional to 69,082.07, 94,920.12 and 54,910.31

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Solution

The fourth proportional to 69,082.07, 94,920.12 and 54,910.31 is: 75,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,082.07 : 94,920.12 = 54,910.31 : x
  2. Step 2: Convert to fraction form
    69,082.07/94,920.12 = 54,910.31/x
  3. Step 3: Cross multiply
    69,082.07x = 94,920.12 × 54,910.31
  4. Step 4: Simplify right side
    69,082.07x = 5,212,092,739.84
  5. Step 5: Solve for x
    x = 5,212,092,739.84/69,082.07
  6. Step 6: Final answer
    x = 75,447.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.