Home / 86,835.62-130,226.49-30,662.79

Finding the Fourth Proportional to 86,835.62, 130,226.49 and 30,662.79

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Solution

The fourth proportional to 86,835.62, 130,226.49 and 30,662.79 is: 45,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,835.62 : 130,226.49 = 30,662.79 : x
  2. Step 2: Convert to fraction form
    86,835.62/130,226.49 = 30,662.79/x
  3. Step 3: Cross multiply
    86,835.62x = 130,226.49 × 30,662.79
  4. Step 4: Simplify right side
    86,835.62x = 3,993,107,515.31
  5. Step 5: Solve for x
    x = 3,993,107,515.31/86,835.62
  6. Step 6: Final answer
    x = 45,984.67

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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.