Home / 54,877.37-75,736.38-39,576.56

Finding the Fourth Proportional to 54,877.37, 75,736.38 and 39,576.56

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Solution

The fourth proportional to 54,877.37, 75,736.38 and 39,576.56 is: 54,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.37 : 75,736.38 = 39,576.56 : x
  2. Step 2: Convert to fraction form
    54,877.37/75,736.38 = 39,576.56/x
  3. Step 3: Cross multiply
    54,877.37x = 75,736.38 × 39,576.56
  4. Step 4: Simplify right side
    54,877.37x = 2,997,384,810.69
  5. Step 5: Solve for x
    x = 2,997,384,810.69/54,877.37
  6. Step 6: Final answer
    x = 54,619.69

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1.5x scale

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.