Home / 54,274.80-81,423.81-16,834.05

Finding the Fourth Proportional to 54,274.80, 81,423.81 and 16,834.05

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Solution

The fourth proportional to 54,274.80, 81,423.81 and 16,834.05 is: 25,254.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,274.80 : 81,423.81 = 16,834.05 : x
  2. Step 2: Convert to fraction form
    54,274.80/81,423.81 = 16,834.05/x
  3. Step 3: Cross multiply
    54,274.80x = 81,423.81 × 16,834.05
  4. Step 4: Simplify right side
    54,274.80x = 1,370,692,488.73
  5. Step 5: Solve for x
    x = 1,370,692,488.73/54,274.80
  6. Step 6: Final answer
    x = 25,254.68

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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.