Home / 75,408.32-104,064.70-41,419.91

Finding the Fourth Proportional to 75,408.32, 104,064.70 and 41,419.91

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Solution

The fourth proportional to 75,408.32, 104,064.70 and 41,419.91 is: 57,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,408.32 : 104,064.70 = 41,419.91 : x
  2. Step 2: Convert to fraction form
    75,408.32/104,064.70 = 41,419.91/x
  3. Step 3: Cross multiply
    75,408.32x = 104,064.70 × 41,419.91
  4. Step 4: Simplify right side
    75,408.32x = 4,310,350,157.09
  5. Step 5: Solve for x
    x = 4,310,350,157.09/75,408.32
  6. Step 6: Final answer
    x = 57,160.14

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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.