Home / 56,175.39-84,274.11-18,734.94

Finding the Fourth Proportional to 56,175.39, 84,274.11 and 18,734.94

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Solution

The fourth proportional to 56,175.39, 84,274.11 and 18,734.94 is: 28,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,175.39 : 84,274.11 = 18,734.94 : x
  2. Step 2: Convert to fraction form
    56,175.39/84,274.11 = 18,734.94/x
  3. Step 3: Cross multiply
    56,175.39x = 84,274.11 × 18,734.94
  4. Step 4: Simplify right side
    56,175.39x = 1,578,870,394.40
  5. Step 5: Solve for x
    x = 1,578,870,394.40/56,175.39
  6. Step 6: Final answer
    x = 28,106.09

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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.