Home / 76,194.75-114,302.85-31,811.41

Finding the Fourth Proportional to 76,194.75, 114,302.85 and 31,811.41

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Solution

The fourth proportional to 76,194.75, 114,302.85 and 31,811.41 is: 47,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,194.75 : 114,302.85 = 31,811.41 : x
  2. Step 2: Convert to fraction form
    76,194.75/114,302.85 = 31,811.41/x
  3. Step 3: Cross multiply
    76,194.75x = 114,302.85 × 31,811.41
  4. Step 4: Simplify right side
    76,194.75x = 3,636,134,849.10
  5. Step 5: Solve for x
    x = 3,636,134,849.10/76,194.75
  6. Step 6: Final answer
    x = 47,721.59

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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.