Home / 64,942.88-89,611.26-41,102.15

Finding the Fourth Proportional to 64,942.88, 89,611.26 and 41,102.15

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Solution

The fourth proportional to 64,942.88, 89,611.26 and 41,102.15 is: 56,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,942.88 : 89,611.26 = 41,102.15 : x
  2. Step 2: Convert to fraction form
    64,942.88/89,611.26 = 41,102.15/x
  3. Step 3: Cross multiply
    64,942.88x = 89,611.26 × 41,102.15
  4. Step 4: Simplify right side
    64,942.88x = 3,683,215,450.21
  5. Step 5: Solve for x
    x = 3,683,215,450.21/64,942.88
  6. Step 6: Final answer
    x = 56,714.69

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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.