Home / 74,741.76-103,144.40-41,208.96

Finding the Fourth Proportional to 74,741.76, 103,144.40 and 41,208.96

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Solution

The fourth proportional to 74,741.76, 103,144.40 and 41,208.96 is: 56,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,741.76 : 103,144.40 = 41,208.96 : x
  2. Step 2: Convert to fraction form
    74,741.76/103,144.40 = 41,208.96/x
  3. Step 3: Cross multiply
    74,741.76x = 103,144.40 × 41,208.96
  4. Step 4: Simplify right side
    74,741.76x = 4,250,473,453.82
  5. Step 5: Solve for x
    x = 4,250,473,453.82/74,741.76
  6. Step 6: Final answer
    x = 56,868.79

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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.