Home / 69,945.95-104,897.06-30,463.31

Finding the Fourth Proportional to 69,945.95, 104,897.06 and 30,463.31

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Solution

The fourth proportional to 69,945.95, 104,897.06 and 30,463.31 is: 45,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,945.95 : 104,897.06 = 30,463.31 : x
  2. Step 2: Convert to fraction form
    69,945.95/104,897.06 = 30,463.31/x
  3. Step 3: Cross multiply
    69,945.95x = 104,897.06 × 30,463.31
  4. Step 4: Simplify right side
    69,945.95x = 3,195,511,656.87
  5. Step 5: Solve for x
    x = 3,195,511,656.87/69,945.95
  6. Step 6: Final answer
    x = 45,685.44

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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.