Home / 51,419.75-77,077.31-23,359.79

Finding the Fourth Proportional to 51,419.75, 77,077.31 and 23,359.79

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Solution

The fourth proportional to 51,419.75, 77,077.31 and 23,359.79 is: 35,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,419.75 : 77,077.31 = 23,359.79 : x
  2. Step 2: Convert to fraction form
    51,419.75/77,077.31 = 23,359.79/x
  3. Step 3: Cross multiply
    51,419.75x = 77,077.31 × 23,359.79
  4. Step 4: Simplify right side
    51,419.75x = 1,800,509,851.26
  5. Step 5: Solve for x
    x = 1,800,509,851.26/51,419.75
  6. Step 6: Final answer
    x = 35,015.92

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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.