Home / 55,413.40-83,066.10-31,696.60

Finding the Fourth Proportional to 55,413.40, 83,066.10 and 31,696.60

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Solution

The fourth proportional to 55,413.40, 83,066.10 and 31,696.60 is: 47,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,413.40 : 83,066.10 = 31,696.60 : x
  2. Step 2: Convert to fraction form
    55,413.40/83,066.10 = 31,696.60/x
  3. Step 3: Cross multiply
    55,413.40x = 83,066.10 × 31,696.60
  4. Step 4: Simplify right side
    55,413.40x = 2,632,912,945.26
  5. Step 5: Solve for x
    x = 2,632,912,945.26/55,413.40
  6. Step 6: Final answer
    x = 47,514.01

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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.