Home / 54,582.81-75,324.14-30,709.52

Finding the Fourth Proportional to 54,582.81, 75,324.14 and 30,709.52

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Solution

The fourth proportional to 54,582.81, 75,324.14 and 30,709.52 is: 42,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,582.81 : 75,324.14 = 30,709.52 : x
  2. Step 2: Convert to fraction form
    54,582.81/75,324.14 = 30,709.52/x
  3. Step 3: Cross multiply
    54,582.81x = 75,324.14 × 30,709.52
  4. Step 4: Simplify right side
    54,582.81x = 2,313,167,653.64
  5. Step 5: Solve for x
    x = 2,313,167,653.64/54,582.81
  6. Step 6: Final answer
    x = 42,379.05

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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.