Home / 55,905.93-77,151.59-30,413.73

Finding the Fourth Proportional to 55,905.93, 77,151.59 and 30,413.73

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Solution

The fourth proportional to 55,905.93, 77,151.59 and 30,413.73 is: 41,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,905.93 : 77,151.59 = 30,413.73 : x
  2. Step 2: Convert to fraction form
    55,905.93/77,151.59 = 30,413.73/x
  3. Step 3: Cross multiply
    55,905.93x = 77,151.59 × 30,413.73
  4. Step 4: Simplify right side
    55,905.93x = 2,346,467,703.37
  5. Step 5: Solve for x
    x = 2,346,467,703.37/55,905.93
  6. Step 6: Final answer
    x = 41,971.71

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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.