Home / 54,919.28-75,783-33,699.44

Finding the Fourth Proportional to 54,919.28, 75,783 and 33,699.44

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Solution

The fourth proportional to 54,919.28, 75,783 and 33,699.44 is: 46,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919.28 : 75,783 = 33,699.44 : x
  2. Step 2: Convert to fraction form
    54,919.28/75,783 = 33,699.44/x
  3. Step 3: Cross multiply
    54,919.28x = 75,783 × 33,699.44
  4. Step 4: Simplify right side
    54,919.28x = 2,553,844,661.52
  5. Step 5: Solve for x
    x = 2,553,844,661.52/54,919.28
  6. Step 6: Final answer
    x = 46,501.79

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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.