Home / 70,912.24-97,859.55-39,082.30

Finding the Fourth Proportional to 70,912.24, 97,859.55 and 39,082.30

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Solution

The fourth proportional to 70,912.24, 97,859.55 and 39,082.30 is: 53,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,912.24 : 97,859.55 = 39,082.30 : x
  2. Step 2: Convert to fraction form
    70,912.24/97,859.55 = 39,082.30/x
  3. Step 3: Cross multiply
    70,912.24x = 97,859.55 × 39,082.30
  4. Step 4: Simplify right side
    70,912.24x = 3,824,576,290.97
  5. Step 5: Solve for x
    x = 3,824,576,290.97/70,912.24
  6. Step 6: Final answer
    x = 53,933.94

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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.