Home / 86,481.72-119,299.36-70,367.04

Finding the Fourth Proportional to 86,481.72, 119,299.36 and 70,367.04

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Solution

The fourth proportional to 86,481.72, 119,299.36 and 70,367.04 is: 97,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,481.72 : 119,299.36 = 70,367.04 : x
  2. Step 2: Convert to fraction form
    86,481.72/119,299.36 = 70,367.04/x
  3. Step 3: Cross multiply
    86,481.72x = 119,299.36 × 70,367.04
  4. Step 4: Simplify right side
    86,481.72x = 8,394,742,837.09
  5. Step 5: Solve for x
    x = 8,394,742,837.09/86,481.72
  6. Step 6: Final answer
    x = 97,069.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.