Home / 55,068.35-75,991.87-31,194.54

Finding the Fourth Proportional to 55,068.35, 75,991.87 and 31,194.54

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Solution

The fourth proportional to 55,068.35, 75,991.87 and 31,194.54 is: 43,047.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,068.35 : 75,991.87 = 31,194.54 : x
  2. Step 2: Convert to fraction form
    55,068.35/75,991.87 = 31,194.54/x
  3. Step 3: Cross multiply
    55,068.35x = 75,991.87 × 31,194.54
  4. Step 4: Simplify right side
    55,068.35x = 2,370,531,428.39
  5. Step 5: Solve for x
    x = 2,370,531,428.39/55,068.35
  6. Step 6: Final answer
    x = 43,047.08

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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.