Home / 76,303.96-114,408.55-31,876.27

Finding the Fourth Proportional to 76,303.96, 114,408.55 and 31,876.27

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Solution

The fourth proportional to 76,303.96, 114,408.55 and 31,876.27 is: 47,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,303.96 : 114,408.55 = 31,876.27 : x
  2. Step 2: Convert to fraction form
    76,303.96/114,408.55 = 31,876.27/x
  3. Step 3: Cross multiply
    76,303.96x = 114,408.55 × 31,876.27
  4. Step 4: Simplify right side
    76,303.96x = 3,646,917,830.11
  5. Step 5: Solve for x
    x = 3,646,917,830.11/76,303.96
  6. Step 6: Final answer
    x = 47,794.61

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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.