Home / 80,808.66-111,515.49-47,273.94

Finding the Fourth Proportional to 80,808.66, 111,515.49 and 47,273.94

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Solution

The fourth proportional to 80,808.66, 111,515.49 and 47,273.94 is: 65,237.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,808.66 : 111,515.49 = 47,273.94 : x
  2. Step 2: Convert to fraction form
    80,808.66/111,515.49 = 47,273.94/x
  3. Step 3: Cross multiply
    80,808.66x = 111,515.49 × 47,273.94
  4. Step 4: Simplify right side
    80,808.66x = 5,271,776,583.33
  5. Step 5: Solve for x
    x = 5,271,776,583.33/80,808.66
  6. Step 6: Final answer
    x = 65,237.77

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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.