Home / 73,002.33-109,503.63-20,412.27

Finding the Fourth Proportional to 73,002.33, 109,503.63 and 20,412.27

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Solution

The fourth proportional to 73,002.33, 109,503.63 and 20,412.27 is: 30,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,002.33 : 109,503.63 = 20,412.27 : x
  2. Step 2: Convert to fraction form
    73,002.33/109,503.63 = 20,412.27/x
  3. Step 3: Cross multiply
    73,002.33x = 109,503.63 × 20,412.27
  4. Step 4: Simplify right side
    73,002.33x = 2,235,217,661.54
  5. Step 5: Solve for x
    x = 2,235,217,661.54/73,002.33
  6. Step 6: Final answer
    x = 30,618.44

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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.