Home / 49,561.66-68,378.34-28,325.80

Finding the Fourth Proportional to 49,561.66, 68,378.34 and 28,325.80

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Solution

The fourth proportional to 49,561.66, 68,378.34 and 28,325.80 is: 39,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,561.66 : 68,378.34 = 28,325.80 : x
  2. Step 2: Convert to fraction form
    49,561.66/68,378.34 = 28,325.80/x
  3. Step 3: Cross multiply
    49,561.66x = 68,378.34 × 28,325.80
  4. Step 4: Simplify right side
    49,561.66x = 1,936,871,183.17
  5. Step 5: Solve for x
    x = 1,936,871,183.17/49,561.66
  6. Step 6: Final answer
    x = 39,080.03

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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.