Home / 117,631.54-176,348.12-51,021.50

Finding the Fourth Proportional to 117,631.54, 176,348.12 and 51,021.50

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Solution

The fourth proportional to 117,631.54, 176,348.12 and 51,021.50 is: 76,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,631.54 : 176,348.12 = 51,021.50 : x
  2. Step 2: Convert to fraction form
    117,631.54/176,348.12 = 51,021.50/x
  3. Step 3: Cross multiply
    117,631.54x = 176,348.12 × 51,021.50
  4. Step 4: Simplify right side
    117,631.54x = 8,997,545,604.58
  5. Step 5: Solve for x
    x = 8,997,545,604.58/117,631.54
  6. Step 6: Final answer
    x = 76,489.23

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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.