Home / 74,413.14-102,717.09-49,270.74

Finding the Fourth Proportional to 74,413.14, 102,717.09 and 49,270.74

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Solution

The fourth proportional to 74,413.14, 102,717.09 and 49,270.74 is: 68,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,413.14 : 102,717.09 = 49,270.74 : x
  2. Step 2: Convert to fraction form
    74,413.14/102,717.09 = 49,270.74/x
  3. Step 3: Cross multiply
    74,413.14x = 102,717.09 × 49,270.74
  4. Step 4: Simplify right side
    74,413.14x = 5,060,947,034.95
  5. Step 5: Solve for x
    x = 5,060,947,034.95/74,413.14
  6. Step 6: Final answer
    x = 68,011.47

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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.