Home / 86,745.91-130,030.23-49,226.75

Finding the Fourth Proportional to 86,745.91, 130,030.23 and 49,226.75

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Solution

The fourth proportional to 86,745.91, 130,030.23 and 49,226.75 is: 73,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,745.91 : 130,030.23 = 49,226.75 : x
  2. Step 2: Convert to fraction form
    86,745.91/130,030.23 = 49,226.75/x
  3. Step 3: Cross multiply
    86,745.91x = 130,030.23 × 49,226.75
  4. Step 4: Simplify right side
    86,745.91x = 6,400,965,624.65
  5. Step 5: Solve for x
    x = 6,400,965,624.65/86,745.91
  6. Step 6: Final answer
    x = 73,789.83

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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.