Home / 54,413.56-75,094.05-30,541.78

Finding the Fourth Proportional to 54,413.56, 75,094.05 and 30,541.78

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Solution

The fourth proportional to 54,413.56, 75,094.05 and 30,541.78 is: 42,149.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,413.56 : 75,094.05 = 30,541.78 : x
  2. Step 2: Convert to fraction form
    54,413.56/75,094.05 = 30,541.78/x
  3. Step 3: Cross multiply
    54,413.56x = 75,094.05 × 30,541.78
  4. Step 4: Simplify right side
    54,413.56x = 2,293,505,954.41
  5. Step 5: Solve for x
    x = 2,293,505,954.41/54,413.56
  6. Step 6: Final answer
    x = 42,149.53

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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.