Home / 53,113.81-73,287.75-31,893.54

Finding the Fourth Proportional to 53,113.81, 73,287.75 and 31,893.54

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Solution

The fourth proportional to 53,113.81, 73,287.75 and 31,893.54 is: 44,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,113.81 : 73,287.75 = 31,893.54 : x
  2. Step 2: Convert to fraction form
    53,113.81/73,287.75 = 31,893.54/x
  3. Step 3: Cross multiply
    53,113.81x = 73,287.75 × 31,893.54
  4. Step 4: Simplify right side
    53,113.81x = 2,337,405,786.14
  5. Step 5: Solve for x
    x = 2,337,405,786.14/53,113.81
  6. Step 6: Final answer
    x = 44,007.50

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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.