Home / 81,056.31-111,846.69-47,059.41

Finding the Fourth Proportional to 81,056.31, 111,846.69 and 47,059.41

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Solution

The fourth proportional to 81,056.31, 111,846.69 and 47,059.41 is: 64,935.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,056.31 : 111,846.69 = 47,059.41 : x
  2. Step 2: Convert to fraction form
    81,056.31/111,846.69 = 47,059.41/x
  3. Step 3: Cross multiply
    81,056.31x = 111,846.69 × 47,059.41
  4. Step 4: Simplify right side
    81,056.31x = 5,263,439,241.85
  5. Step 5: Solve for x
    x = 5,263,439,241.85/81,056.31
  6. Step 6: Final answer
    x = 64,935.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.