Home / 54,582.57-75,319.89-30,704.64

Finding the Fourth Proportional to 54,582.57, 75,319.89 and 30,704.64

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Solution

The fourth proportional to 54,582.57, 75,319.89 and 30,704.64 is: 42,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,582.57 : 75,319.89 = 30,704.64 : x
  2. Step 2: Convert to fraction form
    54,582.57/75,319.89 = 30,704.64/x
  3. Step 3: Cross multiply
    54,582.57x = 75,319.89 × 30,704.64
  4. Step 4: Simplify right side
    54,582.57x = 2,312,670,107.29
  5. Step 5: Solve for x
    x = 2,312,670,107.29/54,582.57
  6. Step 6: Final answer
    x = 42,370.12

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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.