Home / 54,455.24-75,145.44-30,582.92

Finding the Fourth Proportional to 54,455.24, 75,145.44 and 30,582.92

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Solution

The fourth proportional to 54,455.24, 75,145.44 and 30,582.92 is: 42,202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,455.24 : 75,145.44 = 30,582.92 : x
  2. Step 2: Convert to fraction form
    54,455.24/75,145.44 = 30,582.92/x
  3. Step 3: Cross multiply
    54,455.24x = 75,145.44 × 30,582.92
  4. Step 4: Simplify right side
    54,455.24x = 2,298,166,979.88
  5. Step 5: Solve for x
    x = 2,298,166,979.88/54,455.24
  6. Step 6: Final answer
    x = 42,202.86

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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.