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Finding the Fourth Proportional to 67,352.85, 100,898.06 and 40,992.21

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Solution

The fourth proportional to 67,352.85, 100,898.06 and 40,992.21 is: 61,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,352.85 : 100,898.06 = 40,992.21 : x
  2. Step 2: Convert to fraction form
    67,352.85/100,898.06 = 40,992.21/x
  3. Step 3: Cross multiply
    67,352.85x = 100,898.06 × 40,992.21
  4. Step 4: Simplify right side
    67,352.85x = 4,136,034,259.15
  5. Step 5: Solve for x
    x = 4,136,034,259.15/67,352.85
  6. Step 6: Final answer
    x = 61,408.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.