Home / 60,792.35-91,220.63-43,137.09

Finding the Fourth Proportional to 60,792.35, 91,220.63 and 43,137.09

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Solution

The fourth proportional to 60,792.35, 91,220.63 and 43,137.09 is: 64,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,792.35 : 91,220.63 = 43,137.09 : x
  2. Step 2: Convert to fraction form
    60,792.35/91,220.63 = 43,137.09/x
  3. Step 3: Cross multiply
    60,792.35x = 91,220.63 × 43,137.09
  4. Step 4: Simplify right side
    60,792.35x = 3,934,992,310.48
  5. Step 5: Solve for x
    x = 3,934,992,310.48/60,792.35
  6. Step 6: Final answer
    x = 64,728.42

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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.