Home / 69,905.16-104,873.94-19,985.94

Finding the Fourth Proportional to 69,905.16, 104,873.94 and 19,985.94

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Solution

The fourth proportional to 69,905.16, 104,873.94 and 19,985.94 is: 29,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,905.16 : 104,873.94 = 19,985.94 : x
  2. Step 2: Convert to fraction form
    69,905.16/104,873.94 = 19,985.94/x
  3. Step 3: Cross multiply
    69,905.16x = 104,873.94 × 19,985.94
  4. Step 4: Simplify right side
    69,905.16x = 2,096,004,272.40
  5. Step 5: Solve for x
    x = 2,096,004,272.40/69,905.16
  6. Step 6: Final answer
    x = 29,983.54

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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.