Home / 75,118.09-103,664.19-41,126.01

Finding the Fourth Proportional to 75,118.09, 103,664.19 and 41,126.01

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Solution

The fourth proportional to 75,118.09, 103,664.19 and 41,126.01 is: 56,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,118.09 : 103,664.19 = 41,126.01 : x
  2. Step 2: Convert to fraction form
    75,118.09/103,664.19 = 41,126.01/x
  3. Step 3: Cross multiply
    75,118.09x = 103,664.19 × 41,126.01
  4. Step 4: Simplify right side
    75,118.09x = 4,263,294,514.58
  5. Step 5: Solve for x
    x = 4,263,294,514.58/75,118.09
  6. Step 6: Final answer
    x = 56,754.56

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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.