Home / 72,204.35-99,672.32-43,919.87

Finding the Fourth Proportional to 72,204.35, 99,672.32 and 43,919.87

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Solution

The fourth proportional to 72,204.35, 99,672.32 and 43,919.87 is: 60,627.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,204.35 : 99,672.32 = 43,919.87 : x
  2. Step 2: Convert to fraction form
    72,204.35/99,672.32 = 43,919.87/x
  3. Step 3: Cross multiply
    72,204.35x = 99,672.32 × 43,919.87
  4. Step 4: Simplify right side
    72,204.35x = 4,377,594,948.44
  5. Step 5: Solve for x
    x = 4,377,594,948.44/72,204.35
  6. Step 6: Final answer
    x = 60,627.86

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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.