Home / 74,728.76-103,126.38-41,195.96

Finding the Fourth Proportional to 74,728.76, 103,126.38 and 41,195.96

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Solution

The fourth proportional to 74,728.76, 103,126.38 and 41,195.96 is: 56,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,728.76 : 103,126.38 = 41,195.96 : x
  2. Step 2: Convert to fraction form
    74,728.76/103,126.38 = 41,195.96/x
  3. Step 3: Cross multiply
    74,728.76x = 103,126.38 × 41,195.96
  4. Step 4: Simplify right side
    74,728.76x = 4,248,390,225.42
  5. Step 5: Solve for x
    x = 4,248,390,225.42/74,728.76
  6. Step 6: Final answer
    x = 56,850.81

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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.