Home / 55,287.16-76,296.23-31,413.83

Finding the Fourth Proportional to 55,287.16, 76,296.23 and 31,413.83

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Solution

The fourth proportional to 55,287.16, 76,296.23 and 31,413.83 is: 43,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,287.16 : 76,296.23 = 31,413.83 : x
  2. Step 2: Convert to fraction form
    55,287.16/76,296.23 = 31,413.83/x
  3. Step 3: Cross multiply
    55,287.16x = 76,296.23 × 31,413.83
  4. Step 4: Simplify right side
    55,287.16x = 2,396,756,378.11
  5. Step 5: Solve for x
    x = 2,396,756,378.11/55,287.16
  6. Step 6: Final answer
    x = 43,351.05

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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.