Home / 51,413.94-70,950.74-28,752.98

Finding the Fourth Proportional to 51,413.94, 70,950.74 and 28,752.98

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Solution

The fourth proportional to 51,413.94, 70,950.74 and 28,752.98 is: 39,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,413.94 : 70,950.74 = 28,752.98 : x
  2. Step 2: Convert to fraction form
    51,413.94/70,950.74 = 28,752.98/x
  3. Step 3: Cross multiply
    51,413.94x = 70,950.74 × 28,752.98
  4. Step 4: Simplify right side
    51,413.94x = 2,040,044,709.69
  5. Step 5: Solve for x
    x = 2,040,044,709.69/51,413.94
  6. Step 6: Final answer
    x = 39,678.82

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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.