Home / 51,166.09-76,373.87-47,413.78

Finding the Fourth Proportional to 51,166.09, 76,373.87 and 47,413.78

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Solution

The fourth proportional to 51,166.09, 76,373.87 and 47,413.78 is: 70,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,166.09 : 76,373.87 = 47,413.78 : x
  2. Step 2: Convert to fraction form
    51,166.09/76,373.87 = 47,413.78/x
  3. Step 3: Cross multiply
    51,166.09x = 76,373.87 × 47,413.78
  4. Step 4: Simplify right side
    51,166.09x = 3,621,173,869.93
  5. Step 5: Solve for x
    x = 3,621,173,869.93/51,166.09
  6. Step 6: Final answer
    x = 70,772.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.