Home / 46,090.82-69,173.14-21,142.62

Finding the Fourth Proportional to 46,090.82, 69,173.14 and 21,142.62

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Solution

The fourth proportional to 46,090.82, 69,173.14 and 21,142.62 is: 31,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,090.82 : 69,173.14 = 21,142.62 : x
  2. Step 2: Convert to fraction form
    46,090.82/69,173.14 = 21,142.62/x
  3. Step 3: Cross multiply
    46,090.82x = 69,173.14 × 21,142.62
  4. Step 4: Simplify right side
    46,090.82x = 1,462,501,413.23
  5. Step 5: Solve for x
    x = 1,462,501,413.23/46,090.82
  6. Step 6: Final answer
    x = 31,730.86

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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.