Home / 77,190.44-115,785.38-50,703.57

Finding the Fourth Proportional to 77,190.44, 115,785.38 and 50,703.57

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Solution

The fourth proportional to 77,190.44, 115,785.38 and 50,703.57 is: 76,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,190.44 : 115,785.38 = 50,703.57 : x
  2. Step 2: Convert to fraction form
    77,190.44/115,785.38 = 50,703.57/x
  3. Step 3: Cross multiply
    77,190.44x = 115,785.38 × 50,703.57
  4. Step 4: Simplify right side
    77,190.44x = 5,870,732,246.57
  5. Step 5: Solve for x
    x = 5,870,732,246.57/77,190.44
  6. Step 6: Final answer
    x = 76,055.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.