Home / 55,415.76-76,413.26-37,479.62

Finding the Fourth Proportional to 55,415.76, 76,413.26 and 37,479.62

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Solution

The fourth proportional to 55,415.76, 76,413.26 and 37,479.62 is: 51,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,415.76 : 76,413.26 = 37,479.62 : x
  2. Step 2: Convert to fraction form
    55,415.76/76,413.26 = 37,479.62/x
  3. Step 3: Cross multiply
    55,415.76x = 76,413.26 × 37,479.62
  4. Step 4: Simplify right side
    55,415.76x = 2,863,940,232.49
  5. Step 5: Solve for x
    x = 2,863,940,232.49/55,415.76
  6. Step 6: Final answer
    x = 51,680.97

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1.5x scale

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.