Home / 58,587.53-80,850.39-31,729.43

Finding the Fourth Proportional to 58,587.53, 80,850.39 and 31,729.43

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Solution

The fourth proportional to 58,587.53, 80,850.39 and 31,729.43 is: 43,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,587.53 : 80,850.39 = 31,729.43 : x
  2. Step 2: Convert to fraction form
    58,587.53/80,850.39 = 31,729.43/x
  3. Step 3: Cross multiply
    58,587.53x = 80,850.39 × 31,729.43
  4. Step 4: Simplify right side
    58,587.53x = 2,565,336,789.98
  5. Step 5: Solve for x
    x = 2,565,336,789.98/58,587.53
  6. Step 6: Final answer
    x = 43,786.40

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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.