Home / 54,231.78-81,345.30-14,788.92

Finding the Fourth Proportional to 54,231.78, 81,345.30 and 14,788.92

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Solution

The fourth proportional to 54,231.78, 81,345.30 and 14,788.92 is: 22,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,231.78 : 81,345.30 = 14,788.92 : x
  2. Step 2: Convert to fraction form
    54,231.78/81,345.30 = 14,788.92/x
  3. Step 3: Cross multiply
    54,231.78x = 81,345.30 × 14,788.92
  4. Step 4: Simplify right side
    54,231.78x = 1,203,009,134.08
  5. Step 5: Solve for x
    x = 1,203,009,134.08/54,231.78
  6. Step 6: Final answer
    x = 22,182.73

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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.