Home / 117,628.62-176,343.75-51,018.60

Finding the Fourth Proportional to 117,628.62, 176,343.75 and 51,018.60

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Solution

The fourth proportional to 117,628.62, 176,343.75 and 51,018.60 is: 76,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,628.62 : 176,343.75 = 51,018.60 : x
  2. Step 2: Convert to fraction form
    117,628.62/176,343.75 = 51,018.60/x
  3. Step 3: Cross multiply
    117,628.62x = 176,343.75 × 51,018.60
  4. Step 4: Simplify right side
    117,628.62x = 8,996,811,243.75
  5. Step 5: Solve for x
    x = 8,996,811,243.75/117,628.62
  6. Step 6: Final answer
    x = 76,484.88

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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.