Home / 79,787.56-110,106.24-43,977.56

Finding the Fourth Proportional to 79,787.56, 110,106.24 and 43,977.56

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Solution

The fourth proportional to 79,787.56, 110,106.24 and 43,977.56 is: 60,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,787.56 : 110,106.24 = 43,977.56 : x
  2. Step 2: Convert to fraction form
    79,787.56/110,106.24 = 43,977.56/x
  3. Step 3: Cross multiply
    79,787.56x = 110,106.24 × 43,977.56
  4. Step 4: Simplify right side
    79,787.56x = 4,842,203,775.97
  5. Step 5: Solve for x
    x = 4,842,203,775.97/79,787.56
  6. Step 6: Final answer
    x = 60,688.71

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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.