Home / 81,096.51-111,874.35-50,866.70

Finding the Fourth Proportional to 81,096.51, 111,874.35 and 50,866.70

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Solution

The fourth proportional to 81,096.51, 111,874.35 and 50,866.70 is: 70,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,096.51 : 111,874.35 = 50,866.70 : x
  2. Step 2: Convert to fraction form
    81,096.51/111,874.35 = 50,866.70/x
  3. Step 3: Cross multiply
    81,096.51x = 111,874.35 × 50,866.70
  4. Step 4: Simplify right side
    81,096.51x = 5,690,678,439.77
  5. Step 5: Solve for x
    x = 5,690,678,439.77/81,096.51
  6. Step 6: Final answer
    x = 70,171.68

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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.