Home / 55,004.25-82,518.38-31,322.99

Finding the Fourth Proportional to 55,004.25, 82,518.38 and 31,322.99

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Solution

The fourth proportional to 55,004.25, 82,518.38 and 31,322.99 is: 46,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,004.25 : 82,518.38 = 31,322.99 : x
  2. Step 2: Convert to fraction form
    55,004.25/82,518.38 = 31,322.99/x
  3. Step 3: Cross multiply
    55,004.25x = 82,518.38 × 31,322.99
  4. Step 4: Simplify right side
    55,004.25x = 2,584,721,822.35
  5. Step 5: Solve for x
    x = 2,584,721,822.35/55,004.25
  6. Step 6: Final answer
    x = 46,991.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.