Home / 43,269.12-64,910.64-16,959.60

Finding the Fourth Proportional to 43,269.12, 64,910.64 and 16,959.60

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Solution

The fourth proportional to 43,269.12, 64,910.64 and 16,959.60 is: 25,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,269.12 : 64,910.64 = 16,959.60 : x
  2. Step 2: Convert to fraction form
    43,269.12/64,910.64 = 16,959.60/x
  3. Step 3: Cross multiply
    43,269.12x = 64,910.64 × 16,959.60
  4. Step 4: Simplify right side
    43,269.12x = 1,100,858,490.14
  5. Step 5: Solve for x
    x = 1,100,858,490.14/43,269.12
  6. Step 6: Final answer
    x = 25,442.13

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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.