Home / 74,679.29-103,057.35-41,145.29

Finding the Fourth Proportional to 74,679.29, 103,057.35 and 41,145.29

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Solution

The fourth proportional to 74,679.29, 103,057.35 and 41,145.29 is: 56,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,679.29 : 103,057.35 = 41,145.29 : x
  2. Step 2: Convert to fraction form
    74,679.29/103,057.35 = 41,145.29/x
  3. Step 3: Cross multiply
    74,679.29x = 103,057.35 × 41,145.29
  4. Step 4: Simplify right side
    74,679.29x = 4,240,324,037.09
  5. Step 5: Solve for x
    x = 4,240,324,037.09/74,679.29
  6. Step 6: Final answer
    x = 56,780.46

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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.