Home / 70,082.08-105,136.92-25,709.23

Finding the Fourth Proportional to 70,082.08, 105,136.92 and 25,709.23

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Solution

The fourth proportional to 70,082.08, 105,136.92 and 25,709.23 is: 38,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,082.08 : 105,136.92 = 25,709.23 : x
  2. Step 2: Convert to fraction form
    70,082.08/105,136.92 = 25,709.23/x
  3. Step 3: Cross multiply
    70,082.08x = 105,136.92 × 25,709.23
  4. Step 4: Simplify right side
    70,082.08x = 2,702,989,257.77
  5. Step 5: Solve for x
    x = 2,702,989,257.77/70,082.08
  6. Step 6: Final answer
    x = 38,568.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.