Home / 86,694.16-130,059.42-49,271.56

Finding the Fourth Proportional to 86,694.16, 130,059.42 and 49,271.56

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Solution

The fourth proportional to 86,694.16, 130,059.42 and 49,271.56 is: 73,917.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,694.16 : 130,059.42 = 49,271.56 : x
  2. Step 2: Convert to fraction form
    86,694.16/130,059.42 = 49,271.56/x
  3. Step 3: Cross multiply
    86,694.16x = 130,059.42 × 49,271.56
  4. Step 4: Simplify right side
    86,694.16x = 6,408,230,516.10
  5. Step 5: Solve for x
    x = 6,408,230,516.10/86,694.16
  6. Step 6: Final answer
    x = 73,917.67

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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.