Home / 72,914.32-100,631.04-41,091.04

Finding the Fourth Proportional to 72,914.32, 100,631.04 and 41,091.04

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Solution

The fourth proportional to 72,914.32, 100,631.04 and 41,091.04 is: 56,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,914.32 : 100,631.04 = 41,091.04 : x
  2. Step 2: Convert to fraction form
    72,914.32/100,631.04 = 41,091.04/x
  3. Step 3: Cross multiply
    72,914.32x = 100,631.04 × 41,091.04
  4. Step 4: Simplify right side
    72,914.32x = 4,135,034,089.88
  5. Step 5: Solve for x
    x = 4,135,034,089.88/72,914.32
  6. Step 6: Final answer
    x = 56,710.86

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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.