Home / 76,478.34-114,697.46-34,334.85

Finding the Fourth Proportional to 76,478.34, 114,697.46 and 34,334.85

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Solution

The fourth proportional to 76,478.34, 114,697.46 and 34,334.85 is: 51,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,478.34 : 114,697.46 = 34,334.85 : x
  2. Step 2: Convert to fraction form
    76,478.34/114,697.46 = 34,334.85/x
  3. Step 3: Cross multiply
    76,478.34x = 114,697.46 × 34,334.85
  4. Step 4: Simplify right side
    76,478.34x = 3,938,119,912.81
  5. Step 5: Solve for x
    x = 3,938,119,912.81/76,478.34
  6. Step 6: Final answer
    x = 51,493.27

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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.