Home / 75,309.02-103,928.38-41,318.96

Finding the Fourth Proportional to 75,309.02, 103,928.38 and 41,318.96

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Solution

The fourth proportional to 75,309.02, 103,928.38 and 41,318.96 is: 57,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,309.02 : 103,928.38 = 41,318.96 : x
  2. Step 2: Convert to fraction form
    75,309.02/103,928.38 = 41,318.96/x
  3. Step 3: Cross multiply
    75,309.02x = 103,928.38 × 41,318.96
  4. Step 4: Simplify right side
    75,309.02x = 4,294,212,576.08
  5. Step 5: Solve for x
    x = 4,294,212,576.08/75,309.02
  6. Step 6: Final answer
    x = 57,021.23

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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.