Home / 113,126.73-169,727-53,954.71

Finding the Fourth Proportional to 113,126.73, 169,727 and 53,954.71

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Solution

The fourth proportional to 113,126.73, 169,727 and 53,954.71 is: 80,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,126.73 : 169,727 = 53,954.71 : x
  2. Step 2: Convert to fraction form
    113,126.73/169,727 = 53,954.71/x
  3. Step 3: Cross multiply
    113,126.73x = 169,727 × 53,954.71
  4. Step 4: Simplify right side
    113,126.73x = 9,157,571,064.17
  5. Step 5: Solve for x
    x = 9,157,571,064.17/113,126.73
  6. Step 6: Final answer
    x = 80,949.67

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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.