Home / 45,823.89-68,735.79-12,544.23

Finding the Fourth Proportional to 45,823.89, 68,735.79 and 12,544.23

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Solution

The fourth proportional to 45,823.89, 68,735.79 and 12,544.23 is: 18,816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,823.89 : 68,735.79 = 12,544.23 : x
  2. Step 2: Convert to fraction form
    45,823.89/68,735.79 = 12,544.23/x
  3. Step 3: Cross multiply
    45,823.89x = 68,735.79 × 12,544.23
  4. Step 4: Simplify right side
    45,823.89x = 862,237,558.99
  5. Step 5: Solve for x
    x = 862,237,558.99/45,823.89
  6. Step 6: Final answer
    x = 18,816.33

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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.