Home / 45,617.26-68,447.56-31,598.86

Finding the Fourth Proportional to 45,617.26, 68,447.56 and 31,598.86

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Solution

The fourth proportional to 45,617.26, 68,447.56 and 31,598.86 is: 47,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,617.26 : 68,447.56 = 31,598.86 : x
  2. Step 2: Convert to fraction form
    45,617.26/68,447.56 = 31,598.86/x
  3. Step 3: Cross multiply
    45,617.26x = 68,447.56 × 31,598.86
  4. Step 4: Simplify right side
    45,617.26x = 2,162,864,865.78
  5. Step 5: Solve for x
    x = 2,162,864,865.78/45,617.26
  6. Step 6: Final answer
    x = 47,413.30

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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.