Home / 54,575.37-81,887.36-53,689.64

Finding the Fourth Proportional to 54,575.37, 81,887.36 and 53,689.64

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Solution

The fourth proportional to 54,575.37, 81,887.36 and 53,689.64 is: 80,558.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,575.37 : 81,887.36 = 53,689.64 : x
  2. Step 2: Convert to fraction form
    54,575.37/81,887.36 = 53,689.64/x
  3. Step 3: Cross multiply
    54,575.37x = 81,887.36 × 53,689.64
  4. Step 4: Simplify right side
    54,575.37x = 4,396,502,201.07
  5. Step 5: Solve for x
    x = 4,396,502,201.07/54,575.37
  6. Step 6: Final answer
    x = 80,558.36

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1.5x scale

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.