Home / 54,103.61-74,661.59-30,230.43

Finding the Fourth Proportional to 54,103.61, 74,661.59 and 30,230.43

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Solution

The fourth proportional to 54,103.61, 74,661.59 and 30,230.43 is: 41,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.61 : 74,661.59 = 30,230.43 : x
  2. Step 2: Convert to fraction form
    54,103.61/74,661.59 = 30,230.43/x
  3. Step 3: Cross multiply
    54,103.61x = 74,661.59 × 30,230.43
  4. Step 4: Simplify right side
    54,103.61x = 2,257,051,819.03
  5. Step 5: Solve for x
    x = 2,257,051,819.03/54,103.61
  6. Step 6: Final answer
    x = 41,717.22

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1.5x scale

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.