Home / 117,930.09-176,840.70-37,953.20

Finding the Fourth Proportional to 117,930.09, 176,840.70 and 37,953.20

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Solution

The fourth proportional to 117,930.09, 176,840.70 and 37,953.20 is: 56,912.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,930.09 : 176,840.70 = 37,953.20 : x
  2. Step 2: Convert to fraction form
    117,930.09/176,840.70 = 37,953.20/x
  3. Step 3: Cross multiply
    117,930.09x = 176,840.70 × 37,953.20
  4. Step 4: Simplify right side
    117,930.09x = 6,711,669,571.04
  5. Step 5: Solve for x
    x = 6,711,669,571.04/117,930.09
  6. Step 6: Final answer
    x = 56,912.27

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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.