Home / 79,929.64-119,857.20-23,749.12

Finding the Fourth Proportional to 79,929.64, 119,857.20 and 23,749.12

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Solution

The fourth proportional to 79,929.64, 119,857.20 and 23,749.12 is: 35,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,929.64 : 119,857.20 = 23,749.12 : x
  2. Step 2: Convert to fraction form
    79,929.64/119,857.20 = 23,749.12/x
  3. Step 3: Cross multiply
    79,929.64x = 119,857.20 × 23,749.12
  4. Step 4: Simplify right side
    79,929.64x = 2,846,503,025.66
  5. Step 5: Solve for x
    x = 2,846,503,025.66/79,929.64
  6. Step 6: Final answer
    x = 35,612.61

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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.