Home / 74,952.28-103,438.76-43,120.44

Finding the Fourth Proportional to 74,952.28, 103,438.76 and 43,120.44

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Solution

The fourth proportional to 74,952.28, 103,438.76 and 43,120.44 is: 59,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,952.28 : 103,438.76 = 43,120.44 : x
  2. Step 2: Convert to fraction form
    74,952.28/103,438.76 = 43,120.44/x
  3. Step 3: Cross multiply
    74,952.28x = 103,438.76 × 43,120.44
  4. Step 4: Simplify right side
    74,952.28x = 4,460,324,844.25
  5. Step 5: Solve for x
    x = 4,460,324,844.25/74,952.28
  6. Step 6: Final answer
    x = 59,508.86

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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.