Home / 69,945.12-104,859.36-34,836.48

Finding the Fourth Proportional to 69,945.12, 104,859.36 and 34,836.48

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Solution

The fourth proportional to 69,945.12, 104,859.36 and 34,836.48 is: 52,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,945.12 : 104,859.36 = 34,836.48 : x
  2. Step 2: Convert to fraction form
    69,945.12/104,859.36 = 34,836.48/x
  3. Step 3: Cross multiply
    69,945.12x = 104,859.36 × 34,836.48
  4. Step 4: Simplify right side
    69,945.12x = 3,652,930,997.45
  5. Step 5: Solve for x
    x = 3,652,930,997.45/69,945.12
  6. Step 6: Final answer
    x = 52,225.67

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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.