Home / 73,025.54-109,556.53-20,434.57

Finding the Fourth Proportional to 73,025.54, 109,556.53 and 20,434.57

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Solution

The fourth proportional to 73,025.54, 109,556.53 and 20,434.57 is: 30,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,025.54 : 109,556.53 = 20,434.57 : x
  2. Step 2: Convert to fraction form
    73,025.54/109,556.53 = 20,434.57/x
  3. Step 3: Cross multiply
    73,025.54x = 109,556.53 × 20,434.57
  4. Step 4: Simplify right side
    73,025.54x = 2,238,740,581.24
  5. Step 5: Solve for x
    x = 2,238,740,581.24/73,025.54
  6. Step 6: Final answer
    x = 30,656.95

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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.