Home / 117,631.28-176,347.73-51,021.24

Finding the Fourth Proportional to 117,631.28, 176,347.73 and 51,021.24

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Solution

The fourth proportional to 117,631.28, 176,347.73 and 51,021.24 is: 76,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,631.28 : 176,347.73 = 51,021.24 : x
  2. Step 2: Convert to fraction form
    117,631.28/176,347.73 = 51,021.24/x
  3. Step 3: Cross multiply
    117,631.28x = 176,347.73 × 51,021.24
  4. Step 4: Simplify right side
    117,631.28x = 8,997,479,600.68
  5. Step 5: Solve for x
    x = 8,997,479,600.68/117,631.28
  6. Step 6: Final answer
    x = 76,488.83

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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.