Home / 80,785.56-111,491.10-47,262.36

Finding the Fourth Proportional to 80,785.56, 111,491.10 and 47,262.36

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Solution

The fourth proportional to 80,785.56, 111,491.10 and 47,262.36 is: 65,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,785.56 : 111,491.10 = 47,262.36 : x
  2. Step 2: Convert to fraction form
    80,785.56/111,491.10 = 47,262.36/x
  3. Step 3: Cross multiply
    80,785.56x = 111,491.10 × 47,262.36
  4. Step 4: Simplify right side
    80,785.56x = 5,269,332,505.00
  5. Step 5: Solve for x
    x = 5,269,332,505.00/80,785.56
  6. Step 6: Final answer
    x = 65,226.17

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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.