Home / 49,413.67-74,150.03-45,393.81

Finding the Fourth Proportional to 49,413.67, 74,150.03 and 45,393.81

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Solution

The fourth proportional to 49,413.67, 74,150.03 and 45,393.81 is: 68,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,413.67 : 74,150.03 = 45,393.81 : x
  2. Step 2: Convert to fraction form
    49,413.67/74,150.03 = 45,393.81/x
  3. Step 3: Cross multiply
    49,413.67x = 74,150.03 × 45,393.81
  4. Step 4: Simplify right side
    49,413.67x = 3,365,952,373.31
  5. Step 5: Solve for x
    x = 3,365,952,373.31/49,413.67
  6. Step 6: Final answer
    x = 68,117.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.