Home / 48,383.57-72,575.27-31,739.64

Finding the Fourth Proportional to 48,383.57, 72,575.27 and 31,739.64

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Solution

The fourth proportional to 48,383.57, 72,575.27 and 31,739.64 is: 47,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,383.57 : 72,575.27 = 31,739.64 : x
  2. Step 2: Convert to fraction form
    48,383.57/72,575.27 = 31,739.64/x
  3. Step 3: Cross multiply
    48,383.57x = 72,575.27 × 31,739.64
  4. Step 4: Simplify right side
    48,383.57x = 2,303,512,942.70
  5. Step 5: Solve for x
    x = 2,303,512,942.70/48,383.57
  6. Step 6: Final answer
    x = 47,609.40

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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.