Home / 77,789.41-116,585.70-49,698.61

Finding the Fourth Proportional to 77,789.41, 116,585.70 and 49,698.61

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Solution

The fourth proportional to 77,789.41, 116,585.70 and 49,698.61 is: 74,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,789.41 : 116,585.70 = 49,698.61 : x
  2. Step 2: Convert to fraction form
    77,789.41/116,585.70 = 49,698.61/x
  3. Step 3: Cross multiply
    77,789.41x = 116,585.70 × 49,698.61
  4. Step 4: Simplify right side
    77,789.41x = 5,794,147,235.88
  5. Step 5: Solve for x
    x = 5,794,147,235.88/77,789.41
  6. Step 6: Final answer
    x = 74,485.04

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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.