Home / 72,948.89-109,370.21-49,197.44

Finding the Fourth Proportional to 72,948.89, 109,370.21 and 49,197.44

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Solution

The fourth proportional to 72,948.89, 109,370.21 and 49,197.44 is: 73,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,948.89 : 109,370.21 = 49,197.44 : x
  2. Step 2: Convert to fraction form
    72,948.89/109,370.21 = 49,197.44/x
  3. Step 3: Cross multiply
    72,948.89x = 109,370.21 × 49,197.44
  4. Step 4: Simplify right side
    72,948.89x = 5,380,733,551.42
  5. Step 5: Solve for x
    x = 5,380,733,551.42/72,948.89
  6. Step 6: Final answer
    x = 73,760.33

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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.