Home / 56,976.24-85,850.40-47,331.60

Finding the Fourth Proportional to 56,976.24, 85,850.40 and 47,331.60

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Solution

The fourth proportional to 56,976.24, 85,850.40 and 47,331.60 is: 71,318.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,976.24 : 85,850.40 = 47,331.60 : x
  2. Step 2: Convert to fraction form
    56,976.24/85,850.40 = 47,331.60/x
  3. Step 3: Cross multiply
    56,976.24x = 85,850.40 × 47,331.60
  4. Step 4: Simplify right side
    56,976.24x = 4,063,436,792.64
  5. Step 5: Solve for x
    x = 4,063,436,792.64/56,976.24
  6. Step 6: Final answer
    x = 71,318.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.