Home / 58,738.51-81,056.97-31,880.44

Finding the Fourth Proportional to 58,738.51, 81,056.97 and 31,880.44

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Solution

The fourth proportional to 58,738.51, 81,056.97 and 31,880.44 is: 43,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,738.51 : 81,056.97 = 31,880.44 : x
  2. Step 2: Convert to fraction form
    58,738.51/81,056.97 = 31,880.44/x
  3. Step 3: Cross multiply
    58,738.51x = 81,056.97 × 31,880.44
  4. Step 4: Simplify right side
    58,738.51x = 2,584,131,856.00
  5. Step 5: Solve for x
    x = 2,584,131,856.00/58,738.51
  6. Step 6: Final answer
    x = 43,993.83

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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.