Home / 73,121.15-100,909.26-41,294.84

Finding the Fourth Proportional to 73,121.15, 100,909.26 and 41,294.84

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Solution

The fourth proportional to 73,121.15, 100,909.26 and 41,294.84 is: 56,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,121.15 : 100,909.26 = 41,294.84 : x
  2. Step 2: Convert to fraction form
    73,121.15/100,909.26 = 41,294.84/x
  3. Step 3: Cross multiply
    73,121.15x = 100,909.26 × 41,294.84
  4. Step 4: Simplify right side
    73,121.15x = 4,167,031,241.67
  5. Step 5: Solve for x
    x = 4,167,031,241.67/73,121.15
  6. Step 6: Final answer
    x = 56,988.04

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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.