Home / 71,361.02-107,056.56-26,986.79

Finding the Fourth Proportional to 71,361.02, 107,056.56 and 26,986.79

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Solution

The fourth proportional to 71,361.02, 107,056.56 and 26,986.79 is: 40,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,361.02 : 107,056.56 = 26,986.79 : x
  2. Step 2: Convert to fraction form
    71,361.02/107,056.56 = 26,986.79/x
  3. Step 3: Cross multiply
    71,361.02x = 107,056.56 × 26,986.79
  4. Step 4: Simplify right side
    71,361.02x = 2,889,112,902.84
  5. Step 5: Solve for x
    x = 2,889,112,902.84/71,361.02
  6. Step 6: Final answer
    x = 40,485.87

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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.