Home / 58,120.94-80,176.39-47,990.27

Finding the Fourth Proportional to 58,120.94, 80,176.39 and 47,990.27

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Solution

The fourth proportional to 58,120.94, 80,176.39 and 47,990.27 is: 66,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,120.94 : 80,176.39 = 47,990.27 : x
  2. Step 2: Convert to fraction form
    58,120.94/80,176.39 = 47,990.27/x
  3. Step 3: Cross multiply
    58,120.94x = 80,176.39 × 47,990.27
  4. Step 4: Simplify right side
    58,120.94x = 3,847,686,603.73
  5. Step 5: Solve for x
    x = 3,847,686,603.73/58,120.94
  6. Step 6: Final answer
    x = 66,201.38

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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.