Home / 69,777.02-104,657.73-19,179.92

Finding the Fourth Proportional to 69,777.02, 104,657.73 and 19,179.92

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Solution

The fourth proportional to 69,777.02, 104,657.73 and 19,179.92 is: 28,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,777.02 : 104,657.73 = 19,179.92 : x
  2. Step 2: Convert to fraction form
    69,777.02/104,657.73 = 19,179.92/x
  3. Step 3: Cross multiply
    69,777.02x = 104,657.73 × 19,179.92
  4. Step 4: Simplify right side
    69,777.02x = 2,007,326,365.49
  5. Step 5: Solve for x
    x = 2,007,326,365.49/69,777.02
  6. Step 6: Final answer
    x = 28,767.73

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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.