Home / 43,074.88-64,595.20-16,775.84

Finding the Fourth Proportional to 43,074.88, 64,595.20 and 16,775.84

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Solution

The fourth proportional to 43,074.88, 64,595.20 and 16,775.84 is: 25,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,074.88 : 64,595.20 = 16,775.84 : x
  2. Step 2: Convert to fraction form
    43,074.88/64,595.20 = 16,775.84/x
  3. Step 3: Cross multiply
    43,074.88x = 64,595.20 × 16,775.84
  4. Step 4: Simplify right side
    43,074.88x = 1,083,638,739.97
  5. Step 5: Solve for x
    x = 1,083,638,739.97/43,074.88
  6. Step 6: Final answer
    x = 25,157.09

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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.