Home / 84,785.62-117,004.23-50,813.84

Finding the Fourth Proportional to 84,785.62, 117,004.23 and 50,813.84

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Solution

The fourth proportional to 84,785.62, 117,004.23 and 50,813.84 is: 70,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,785.62 : 117,004.23 = 50,813.84 : x
  2. Step 2: Convert to fraction form
    84,785.62/117,004.23 = 50,813.84/x
  3. Step 3: Cross multiply
    84,785.62x = 117,004.23 × 50,813.84
  4. Step 4: Simplify right side
    84,785.62x = 5,945,434,222.54
  5. Step 5: Solve for x
    x = 5,945,434,222.54/84,785.62
  6. Step 6: Final answer
    x = 70,123.14

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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.