Home / 81,524.20-122,009.82-48,715.24

Finding the Fourth Proportional to 81,524.20, 122,009.82 and 48,715.24

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Solution

The fourth proportional to 81,524.20, 122,009.82 and 48,715.24 is: 72,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,524.20 : 122,009.82 = 48,715.24 : x
  2. Step 2: Convert to fraction form
    81,524.20/122,009.82 = 48,715.24/x
  3. Step 3: Cross multiply
    81,524.20x = 122,009.82 × 48,715.24
  4. Step 4: Simplify right side
    81,524.20x = 5,943,737,663.66
  5. Step 5: Solve for x
    x = 5,943,737,663.66/81,524.20
  6. Step 6: Final answer
    x = 72,907.65

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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.