Home / 55,283.16-76,292.84-31,413.88

Finding the Fourth Proportional to 55,283.16, 76,292.84 and 31,413.88

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Solution

The fourth proportional to 55,283.16, 76,292.84 and 31,413.88 is: 43,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,283.16 : 76,292.84 = 31,413.88 : x
  2. Step 2: Convert to fraction form
    55,283.16/76,292.84 = 31,413.88/x
  3. Step 3: Cross multiply
    55,283.16x = 76,292.84 × 31,413.88
  4. Step 4: Simplify right side
    55,283.16x = 2,396,654,120.62
  5. Step 5: Solve for x
    x = 2,396,654,120.62/55,283.16
  6. Step 6: Final answer
    x = 43,352.34

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1.5x scale

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.