Home / 43,803.01-65,709.10-20,106.51

Finding the Fourth Proportional to 43,803.01, 65,709.10 and 20,106.51

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Solution

The fourth proportional to 43,803.01, 65,709.10 and 20,106.51 is: 30,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,803.01 : 65,709.10 = 20,106.51 : x
  2. Step 2: Convert to fraction form
    43,803.01/65,709.10 = 20,106.51/x
  3. Step 3: Cross multiply
    43,803.01x = 65,709.10 × 20,106.51
  4. Step 4: Simplify right side
    43,803.01x = 1,321,180,676.24
  5. Step 5: Solve for x
    x = 1,321,180,676.24/43,803.01
  6. Step 6: Final answer
    x = 30,161.87

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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.