Home / 76,620.20-114,962.70-48,561.80

Finding the Fourth Proportional to 76,620.20, 114,962.70 and 48,561.80

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Solution

The fourth proportional to 76,620.20, 114,962.70 and 48,561.80 is: 72,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,620.20 : 114,962.70 = 48,561.80 : x
  2. Step 2: Convert to fraction form
    76,620.20/114,962.70 = 48,561.80/x
  3. Step 3: Cross multiply
    76,620.20x = 114,962.70 × 48,561.80
  4. Step 4: Simplify right side
    76,620.20x = 5,582,795,644.86
  5. Step 5: Solve for x
    x = 5,582,795,644.86/76,620.20
  6. Step 6: Final answer
    x = 72,863.24

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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.