Home / 76,366.76-114,528.18-31,992.44

Finding the Fourth Proportional to 76,366.76, 114,528.18 and 31,992.44

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Solution

The fourth proportional to 76,366.76, 114,528.18 and 31,992.44 is: 47,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,366.76 : 114,528.18 = 31,992.44 : x
  2. Step 2: Convert to fraction form
    76,366.76/114,528.18 = 31,992.44/x
  3. Step 3: Cross multiply
    76,366.76x = 114,528.18 × 31,992.44
  4. Step 4: Simplify right side
    76,366.76x = 3,664,035,926.96
  5. Step 5: Solve for x
    x = 3,664,035,926.96/76,366.76
  6. Step 6: Final answer
    x = 47,979.46

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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.