Home / 84,715.82-116,912.68-51,192.62

Finding the Fourth Proportional to 84,715.82, 116,912.68 and 51,192.62

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Solution

The fourth proportional to 84,715.82, 116,912.68 and 51,192.62 is: 70,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,715.82 : 116,912.68 = 51,192.62 : x
  2. Step 2: Convert to fraction form
    84,715.82/116,912.68 = 51,192.62/x
  3. Step 3: Cross multiply
    84,715.82x = 116,912.68 × 51,192.62
  4. Step 4: Simplify right side
    84,715.82x = 5,985,066,400.42
  5. Step 5: Solve for x
    x = 5,985,066,400.42/84,715.82
  6. Step 6: Final answer
    x = 70,648.75

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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.