Home / 74,217.56-110,918.86-54,269.06

Finding the Fourth Proportional to 74,217.56, 110,918.86 and 54,269.06

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Solution

The fourth proportional to 74,217.56, 110,918.86 and 54,269.06 is: 81,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,217.56 : 110,918.86 = 54,269.06 : x
  2. Step 2: Convert to fraction form
    74,217.56/110,918.86 = 54,269.06/x
  3. Step 3: Cross multiply
    74,217.56x = 110,918.86 × 54,269.06
  4. Step 4: Simplify right side
    74,217.56x = 6,019,462,268.47
  5. Step 5: Solve for x
    x = 6,019,462,268.47/74,217.56
  6. Step 6: Final answer
    x = 81,105.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.