Home / 64,072.45-88,419.62-35,394.08

Finding the Fourth Proportional to 64,072.45, 88,419.62 and 35,394.08

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Solution

The fourth proportional to 64,072.45, 88,419.62 and 35,394.08 is: 48,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,072.45 : 88,419.62 = 35,394.08 : x
  2. Step 2: Convert to fraction form
    64,072.45/88,419.62 = 35,394.08/x
  3. Step 3: Cross multiply
    64,072.45x = 88,419.62 × 35,394.08
  4. Step 4: Simplify right side
    64,072.45x = 3,129,530,661.75
  5. Step 5: Solve for x
    x = 3,129,530,661.75/64,072.45
  6. Step 6: Final answer
    x = 48,843.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.