Home / 117,686.82-176,430.66-51,076.56

Finding the Fourth Proportional to 117,686.82, 176,430.66 and 51,076.56

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Solution

The fourth proportional to 117,686.82, 176,430.66 and 51,076.56 is: 76,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,686.82 : 176,430.66 = 51,076.56 : x
  2. Step 2: Convert to fraction form
    117,686.82/176,430.66 = 51,076.56/x
  3. Step 3: Cross multiply
    117,686.82x = 176,430.66 × 51,076.56
  4. Step 4: Simplify right side
    117,686.82x = 9,011,471,191.33
  5. Step 5: Solve for x
    x = 9,011,471,191.33/117,686.82
  6. Step 6: Final answer
    x = 76,571.63

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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.