Home / 76,581.02-114,949.30-48,431.90

Finding the Fourth Proportional to 76,581.02, 114,949.30 and 48,431.90

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Solution

The fourth proportional to 76,581.02, 114,949.30 and 48,431.90 is: 72,697.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,581.02 : 114,949.30 = 48,431.90 : x
  2. Step 2: Convert to fraction form
    76,581.02/114,949.30 = 48,431.90/x
  3. Step 3: Cross multiply
    76,581.02x = 114,949.30 × 48,431.90
  4. Step 4: Simplify right side
    76,581.02x = 5,567,213,002.67
  5. Step 5: Solve for x
    x = 5,567,213,002.67/76,581.02
  6. Step 6: Final answer
    x = 72,697.03

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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.