Home / 76,268.88-114,402.96-19,342.80

Finding the Fourth Proportional to 76,268.88, 114,402.96 and 19,342.80

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Solution

The fourth proportional to 76,268.88, 114,402.96 and 19,342.80 is: 29,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,268.88 : 114,402.96 = 19,342.80 : x
  2. Step 2: Convert to fraction form
    76,268.88/114,402.96 = 19,342.80/x
  3. Step 3: Cross multiply
    76,268.88x = 114,402.96 × 19,342.80
  4. Step 4: Simplify right side
    76,268.88x = 2,212,873,574.69
  5. Step 5: Solve for x
    x = 2,212,873,574.69/76,268.88
  6. Step 6: Final answer
    x = 29,014.11

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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.