Home / 43,170.37-64,713.94-22,120.36

Finding the Fourth Proportional to 43,170.37, 64,713.94 and 22,120.36

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Solution

The fourth proportional to 43,170.37, 64,713.94 and 22,120.36 is: 33,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,170.37 : 64,713.94 = 22,120.36 : x
  2. Step 2: Convert to fraction form
    43,170.37/64,713.94 = 22,120.36/x
  3. Step 3: Cross multiply
    43,170.37x = 64,713.94 × 22,120.36
  4. Step 4: Simplify right side
    43,170.37x = 1,431,495,432.73
  5. Step 5: Solve for x
    x = 1,431,495,432.73/43,170.37
  6. Step 6: Final answer
    x = 33,159.21

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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.