Home / 54,719.56-82,079.43-31,329.82

Finding the Fourth Proportional to 54,719.56, 82,079.43 and 31,329.82

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Solution

The fourth proportional to 54,719.56, 82,079.43 and 31,329.82 is: 46,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,719.56 : 82,079.43 = 31,329.82 : x
  2. Step 2: Convert to fraction form
    54,719.56/82,079.43 = 31,329.82/x
  3. Step 3: Cross multiply
    54,719.56x = 82,079.43 × 31,329.82
  4. Step 4: Simplify right side
    54,719.56x = 2,571,533,767.60
  5. Step 5: Solve for x
    x = 2,571,533,767.60/54,719.56
  6. Step 6: Final answer
    x = 46,994.78

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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.