Home / 75,236.96-103,821.28-41,240

Finding the Fourth Proportional to 75,236.96, 103,821.28 and 41,240

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Solution

The fourth proportional to 75,236.96, 103,821.28 and 41,240 is: 56,908.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,236.96 : 103,821.28 = 41,240 : x
  2. Step 2: Convert to fraction form
    75,236.96/103,821.28 = 41,240/x
  3. Step 3: Cross multiply
    75,236.96x = 103,821.28 × 41,240
  4. Step 4: Simplify right side
    75,236.96x = 4,281,589,587.20
  5. Step 5: Solve for x
    x = 4,281,589,587.20/75,236.96
  6. Step 6: Final answer
    x = 56,908.06

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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.