Home / 43,161.05-64,749.74-16,864.13

Finding the Fourth Proportional to 43,161.05, 64,749.74 and 16,864.13

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Solution

The fourth proportional to 43,161.05, 64,749.74 and 16,864.13 is: 25,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,161.05 : 64,749.74 = 16,864.13 : x
  2. Step 2: Convert to fraction form
    43,161.05/64,749.74 = 16,864.13/x
  3. Step 3: Cross multiply
    43,161.05x = 64,749.74 × 16,864.13
  4. Step 4: Simplify right side
    43,161.05x = 1,091,947,624.76
  5. Step 5: Solve for x
    x = 1,091,947,624.76/43,161.05
  6. Step 6: Final answer
    x = 25,299.38

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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.