Home / 55,233.70-82,850.55-51,515.80

Finding the Fourth Proportional to 55,233.70, 82,850.55 and 51,515.80

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Solution

The fourth proportional to 55,233.70, 82,850.55 and 51,515.80 is: 77,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,233.70 : 82,850.55 = 51,515.80 : x
  2. Step 2: Convert to fraction form
    55,233.70/82,850.55 = 51,515.80/x
  3. Step 3: Cross multiply
    55,233.70x = 82,850.55 × 51,515.80
  4. Step 4: Simplify right side
    55,233.70x = 4,268,112,363.69
  5. Step 5: Solve for x
    x = 4,268,112,363.69/55,233.70
  6. Step 6: Final answer
    x = 77,273.70

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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.