Home / 57,858.49-86,647.60-40,039.23

Finding the Fourth Proportional to 57,858.49, 86,647.60 and 40,039.23

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Solution

The fourth proportional to 57,858.49, 86,647.60 and 40,039.23 is: 59,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,858.49 : 86,647.60 = 40,039.23 : x
  2. Step 2: Convert to fraction form
    57,858.49/86,647.60 = 40,039.23/x
  3. Step 3: Cross multiply
    57,858.49x = 86,647.60 × 40,039.23
  4. Step 4: Simplify right side
    57,858.49x = 3,469,303,185.35
  5. Step 5: Solve for x
    x = 3,469,303,185.35/57,858.49
  6. Step 6: Final answer
    x = 59,961.87

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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.