Home / 77,378.10-116,028.87-27,450.71

Finding the Fourth Proportional to 77,378.10, 116,028.87 and 27,450.71

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Solution

The fourth proportional to 77,378.10, 116,028.87 and 27,450.71 is: 41,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,378.10 : 116,028.87 = 27,450.71 : x
  2. Step 2: Convert to fraction form
    77,378.10/116,028.87 = 27,450.71/x
  3. Step 3: Cross multiply
    77,378.10x = 116,028.87 × 27,450.71
  4. Step 4: Simplify right side
    77,378.10x = 3,185,074,862.00
  5. Step 5: Solve for x
    x = 3,185,074,862.00/77,378.10
  6. Step 6: Final answer
    x = 41,162.48

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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.