Home / 69,822.02-104,736.26-19,905.50

Finding the Fourth Proportional to 69,822.02, 104,736.26 and 19,905.50

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Solution

The fourth proportional to 69,822.02, 104,736.26 and 19,905.50 is: 29,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,822.02 : 104,736.26 = 19,905.50 : x
  2. Step 2: Convert to fraction form
    69,822.02/104,736.26 = 19,905.50/x
  3. Step 3: Cross multiply
    69,822.02x = 104,736.26 × 19,905.50
  4. Step 4: Simplify right side
    69,822.02x = 2,084,827,623.43
  5. Step 5: Solve for x
    x = 2,084,827,623.43/69,822.02
  6. Step 6: Final answer
    x = 29,859.17

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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.