Home / 76,366.12-114,593.84-31,989.12

Finding the Fourth Proportional to 76,366.12, 114,593.84 and 31,989.12

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Solution

The fourth proportional to 76,366.12, 114,593.84 and 31,989.12 is: 48,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,366.12 : 114,593.84 = 31,989.12 : x
  2. Step 2: Convert to fraction form
    76,366.12/114,593.84 = 31,989.12/x
  3. Step 3: Cross multiply
    76,366.12x = 114,593.84 × 31,989.12
  4. Step 4: Simplify right side
    76,366.12x = 3,665,756,099.02
  5. Step 5: Solve for x
    x = 3,665,756,099.02/76,366.12
  6. Step 6: Final answer
    x = 48,002.39

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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.