Home / 61,728.85-85,183.08-34,871.26

Finding the Fourth Proportional to 61,728.85, 85,183.08 and 34,871.26

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Solution

The fourth proportional to 61,728.85, 85,183.08 and 34,871.26 is: 48,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,728.85 : 85,183.08 = 34,871.26 : x
  2. Step 2: Convert to fraction form
    61,728.85/85,183.08 = 34,871.26/x
  3. Step 3: Cross multiply
    61,728.85x = 85,183.08 × 34,871.26
  4. Step 4: Simplify right side
    61,728.85x = 2,970,441,330.28
  5. Step 5: Solve for x
    x = 2,970,441,330.28/61,728.85
  6. Step 6: Final answer
    x = 48,120.79

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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.