Home / 76,002.20-114,003.30-48,008.60

Finding the Fourth Proportional to 76,002.20, 114,003.30 and 48,008.60

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Solution

The fourth proportional to 76,002.20, 114,003.30 and 48,008.60 is: 72,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,002.20 : 114,003.30 = 48,008.60 : x
  2. Step 2: Convert to fraction form
    76,002.20/114,003.30 = 48,008.60/x
  3. Step 3: Cross multiply
    76,002.20x = 114,003.30 × 48,008.60
  4. Step 4: Simplify right side
    76,002.20x = 5,473,138,828.38
  5. Step 5: Solve for x
    x = 5,473,138,828.38/76,002.20
  6. Step 6: Final answer
    x = 72,012.90

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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.