Home / 75,172.64-103,740.83-41,181.12

Finding the Fourth Proportional to 75,172.64, 103,740.83 and 41,181.12

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Solution

The fourth proportional to 75,172.64, 103,740.83 and 41,181.12 is: 56,831.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,172.64 : 103,740.83 = 41,181.12 : x
  2. Step 2: Convert to fraction form
    75,172.64/103,740.83 = 41,181.12/x
  3. Step 3: Cross multiply
    75,172.64x = 103,740.83 × 41,181.12
  4. Step 4: Simplify right side
    75,172.64x = 4,272,163,517.65
  5. Step 5: Solve for x
    x = 4,272,163,517.65/75,172.64
  6. Step 6: Final answer
    x = 56,831.36

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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.