Home / 54,825.56-75,664.26-30,958.10

Finding the Fourth Proportional to 54,825.56, 75,664.26 and 30,958.10

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Solution

The fourth proportional to 54,825.56, 75,664.26 and 30,958.10 is: 42,724.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,825.56 : 75,664.26 = 30,958.10 : x
  2. Step 2: Convert to fraction form
    54,825.56/75,664.26 = 30,958.10/x
  3. Step 3: Cross multiply
    54,825.56x = 75,664.26 × 30,958.10
  4. Step 4: Simplify right side
    54,825.56x = 2,342,421,727.51
  5. Step 5: Solve for x
    x = 2,342,421,727.51/54,825.56
  6. Step 6: Final answer
    x = 42,724.99

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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.