Home / 73,425-110,137.14-20,834.58

Finding the Fourth Proportional to 73,425, 110,137.14 and 20,834.58

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Solution

The fourth proportional to 73,425, 110,137.14 and 20,834.58 is: 31,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,425 : 110,137.14 = 20,834.58 : x
  2. Step 2: Convert to fraction form
    73,425/110,137.14 = 20,834.58/x
  3. Step 3: Cross multiply
    73,425x = 110,137.14 × 20,834.58
  4. Step 4: Simplify right side
    73,425x = 2,294,661,054.30
  5. Step 5: Solve for x
    x = 2,294,661,054.30/73,425
  6. Step 6: Final answer
    x = 31,251.77

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1.5x scale

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.