Home / 123,664.73-185,511.87-43,686.14

Finding the Fourth Proportional to 123,664.73, 185,511.87 and 43,686.14

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Solution

The fourth proportional to 123,664.73, 185,511.87 and 43,686.14 is: 65,534.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,664.73 : 185,511.87 = 43,686.14 : x
  2. Step 2: Convert to fraction form
    123,664.73/185,511.87 = 43,686.14/x
  3. Step 3: Cross multiply
    123,664.73x = 185,511.87 × 43,686.14
  4. Step 4: Simplify right side
    123,664.73x = 8,104,296,596.92
  5. Step 5: Solve for x
    x = 8,104,296,596.92/123,664.73
  6. Step 6: Final answer
    x = 65,534.42

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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.