Home / 75,759.36-113,643.52-23,172.48

Finding the Fourth Proportional to 75,759.36, 113,643.52 and 23,172.48

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Solution

The fourth proportional to 75,759.36, 113,643.52 and 23,172.48 is: 34,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,759.36 : 113,643.52 = 23,172.48 : x
  2. Step 2: Convert to fraction form
    75,759.36/113,643.52 = 23,172.48/x
  3. Step 3: Cross multiply
    75,759.36x = 113,643.52 × 23,172.48
  4. Step 4: Simplify right side
    75,759.36x = 2,633,402,194.33
  5. Step 5: Solve for x
    x = 2,633,402,194.33/75,759.36
  6. Step 6: Final answer
    x = 34,760.09

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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.