Home / 54,303.35-74,937.89-30,430.49

Finding the Fourth Proportional to 54,303.35, 74,937.89 and 30,430.49

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Solution

The fourth proportional to 54,303.35, 74,937.89 and 30,430.49 is: 41,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303.35 : 74,937.89 = 30,430.49 : x
  2. Step 2: Convert to fraction form
    54,303.35/74,937.89 = 30,430.49/x
  3. Step 3: Cross multiply
    54,303.35x = 74,937.89 × 30,430.49
  4. Step 4: Simplify right side
    54,303.35x = 2,280,396,413.65
  5. Step 5: Solve for x
    x = 2,280,396,413.65/54,303.35
  6. Step 6: Final answer
    x = 41,993.66

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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.