Home / 82,769.08-114,020.62-61,511.48

Finding the Fourth Proportional to 82,769.08, 114,020.62 and 61,511.48

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Solution

The fourth proportional to 82,769.08, 114,020.62 and 61,511.48 is: 84,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,769.08 : 114,020.62 = 61,511.48 : x
  2. Step 2: Convert to fraction form
    82,769.08/114,020.62 = 61,511.48/x
  3. Step 3: Cross multiply
    82,769.08x = 114,020.62 × 61,511.48
  4. Step 4: Simplify right side
    82,769.08x = 7,013,577,086.72
  5. Step 5: Solve for x
    x = 7,013,577,086.72/82,769.08
  6. Step 6: Final answer
    x = 84,736.68

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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.