Home / 81,032.03-111,805.62-48,757.98

Finding the Fourth Proportional to 81,032.03, 111,805.62 and 48,757.98

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Solution

The fourth proportional to 81,032.03, 111,805.62 and 48,757.98 is: 67,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,032.03 : 111,805.62 = 48,757.98 : x
  2. Step 2: Convert to fraction form
    81,032.03/111,805.62 = 48,757.98/x
  3. Step 3: Cross multiply
    81,032.03x = 111,805.62 × 48,757.98
  4. Step 4: Simplify right side
    81,032.03x = 5,451,416,420.28
  5. Step 5: Solve for x
    x = 5,451,416,420.28/81,032.03
  6. Step 6: Final answer
    x = 67,274.84

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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.