Home / 58,587.44-80,850.20-31,729.32

Finding the Fourth Proportional to 58,587.44, 80,850.20 and 31,729.32

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Solution

The fourth proportional to 58,587.44, 80,850.20 and 31,729.32 is: 43,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,587.44 : 80,850.20 = 31,729.32 : x
  2. Step 2: Convert to fraction form
    58,587.44/80,850.20 = 31,729.32/x
  3. Step 3: Cross multiply
    58,587.44x = 80,850.20 × 31,729.32
  4. Step 4: Simplify right side
    58,587.44x = 2,565,321,709.22
  5. Step 5: Solve for x
    x = 2,565,321,709.22/58,587.44
  6. Step 6: Final answer
    x = 43,786.21

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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.