Home / 45,413.97-68,124.36-12,133.29

Finding the Fourth Proportional to 45,413.97, 68,124.36 and 12,133.29

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Solution

The fourth proportional to 45,413.97, 68,124.36 and 12,133.29 is: 18,200.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,413.97 : 68,124.36 = 12,133.29 : x
  2. Step 2: Convert to fraction form
    45,413.97/68,124.36 = 12,133.29/x
  3. Step 3: Cross multiply
    45,413.97x = 68,124.36 × 12,133.29
  4. Step 4: Simplify right side
    45,413.97x = 826,572,615.94
  5. Step 5: Solve for x
    x = 826,572,615.94/45,413.97
  6. Step 6: Final answer
    x = 18,200.84

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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.