Home / 69,939.05-104,886.70-30,456.41

Finding the Fourth Proportional to 69,939.05, 104,886.70 and 30,456.41

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Solution

The fourth proportional to 69,939.05, 104,886.70 and 30,456.41 is: 45,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,939.05 : 104,886.70 = 30,456.41 : x
  2. Step 2: Convert to fraction form
    69,939.05/104,886.70 = 30,456.41/x
  3. Step 3: Cross multiply
    69,939.05x = 104,886.70 × 30,456.41
  4. Step 4: Simplify right side
    69,939.05x = 3,194,471,738.17
  5. Step 5: Solve for x
    x = 3,194,471,738.17/69,939.05
  6. Step 6: Final answer
    x = 45,675.08

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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.