Home / 58,735.73-81,056.09-31,878.56

Finding the Fourth Proportional to 58,735.73, 81,056.09 and 31,878.56

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Solution

The fourth proportional to 58,735.73, 81,056.09 and 31,878.56 is: 43,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,735.73 : 81,056.09 = 31,878.56 : x
  2. Step 2: Convert to fraction form
    58,735.73/81,056.09 = 31,878.56/x
  3. Step 3: Cross multiply
    58,735.73x = 81,056.09 × 31,878.56
  4. Step 4: Simplify right side
    58,735.73x = 2,583,951,269.04
  5. Step 5: Solve for x
    x = 2,583,951,269.04/58,735.73
  6. Step 6: Final answer
    x = 43,992.83

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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.