Home / 54,416.64-81,567.36-30,992.88

Finding the Fourth Proportional to 54,416.64, 81,567.36 and 30,992.88

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Solution

The fourth proportional to 54,416.64, 81,567.36 and 30,992.88 is: 46,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,416.64 : 81,567.36 = 30,992.88 : x
  2. Step 2: Convert to fraction form
    54,416.64/81,567.36 = 30,992.88/x
  3. Step 3: Cross multiply
    54,416.64x = 81,567.36 × 30,992.88
  4. Step 4: Simplify right side
    54,416.64x = 2,528,007,400.40
  5. Step 5: Solve for x
    x = 2,528,007,400.40/54,416.64
  6. Step 6: Final answer
    x = 46,456.51

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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.