Home / 113,132.81-169,736.07-53,960.78

Finding the Fourth Proportional to 113,132.81, 169,736.07 and 53,960.78

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Solution

The fourth proportional to 113,132.81, 169,736.07 and 53,960.78 is: 80,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,132.81 : 169,736.07 = 53,960.78 : x
  2. Step 2: Convert to fraction form
    113,132.81/169,736.07 = 53,960.78/x
  3. Step 3: Cross multiply
    113,132.81x = 169,736.07 × 53,960.78
  4. Step 4: Simplify right side
    113,132.81x = 9,159,089,882.65
  5. Step 5: Solve for x
    x = 9,159,089,882.65/113,132.81
  6. Step 6: Final answer
    x = 80,958.74

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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.