Home / 117,966.78-176,949.77-47,845.89

Finding the Fourth Proportional to 117,966.78, 176,949.77 and 47,845.89

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Solution

The fourth proportional to 117,966.78, 176,949.77 and 47,845.89 is: 71,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,966.78 : 176,949.77 = 47,845.89 : x
  2. Step 2: Convert to fraction form
    117,966.78/176,949.77 = 47,845.89/x
  3. Step 3: Cross multiply
    117,966.78x = 176,949.77 × 47,845.89
  4. Step 4: Simplify right side
    117,966.78x = 8,466,318,991.72
  5. Step 5: Solve for x
    x = 8,466,318,991.72/117,966.78
  6. Step 6: Final answer
    x = 71,768.67

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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.