Home / 75,141.44-103,693.92-41,606.72

Finding the Fourth Proportional to 75,141.44, 103,693.92 and 41,606.72

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Solution

The fourth proportional to 75,141.44, 103,693.92 and 41,606.72 is: 57,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,141.44 : 103,693.92 = 41,606.72 : x
  2. Step 2: Convert to fraction form
    75,141.44/103,693.92 = 41,606.72/x
  3. Step 3: Cross multiply
    75,141.44x = 103,693.92 × 41,606.72
  4. Step 4: Simplify right side
    75,141.44x = 4,314,363,895.14
  5. Step 5: Solve for x
    x = 4,314,363,895.14/75,141.44
  6. Step 6: Final answer
    x = 57,416.57

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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.