Home / 73,025.06-109,537.61-20,442.29

Finding the Fourth Proportional to 73,025.06, 109,537.61 and 20,442.29

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Solution

The fourth proportional to 73,025.06, 109,537.61 and 20,442.29 is: 30,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,025.06 : 109,537.61 = 20,442.29 : x
  2. Step 2: Convert to fraction form
    73,025.06/109,537.61 = 20,442.29/x
  3. Step 3: Cross multiply
    73,025.06x = 109,537.61 × 20,442.29
  4. Step 4: Simplify right side
    73,025.06x = 2,239,198,939.63
  5. Step 5: Solve for x
    x = 2,239,198,939.63/73,025.06
  6. Step 6: Final answer
    x = 30,663.43

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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.