Home / 73,199.10-109,803.45-20,610.30

Finding the Fourth Proportional to 73,199.10, 109,803.45 and 20,610.30

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Solution

The fourth proportional to 73,199.10, 109,803.45 and 20,610.30 is: 30,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,199.10 : 109,803.45 = 20,610.30 : x
  2. Step 2: Convert to fraction form
    73,199.10/109,803.45 = 20,610.30/x
  3. Step 3: Cross multiply
    73,199.10x = 109,803.45 × 20,610.30
  4. Step 4: Simplify right side
    73,199.10x = 2,263,082,045.54
  5. Step 5: Solve for x
    x = 2,263,082,045.54/73,199.10
  6. Step 6: Final answer
    x = 30,916.80

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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.