Home / 75,447.35-113,170.58-19,287.37

Finding the Fourth Proportional to 75,447.35, 113,170.58 and 19,287.37

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Solution

The fourth proportional to 75,447.35, 113,170.58 and 19,287.37 is: 28,930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,447.35 : 113,170.58 = 19,287.37 : x
  2. Step 2: Convert to fraction form
    75,447.35/113,170.58 = 19,287.37/x
  3. Step 3: Cross multiply
    75,447.35x = 113,170.58 × 19,287.37
  4. Step 4: Simplify right side
    75,447.35x = 2,182,762,966.93
  5. Step 5: Solve for x
    x = 2,182,762,966.93/75,447.35
  6. Step 6: Final answer
    x = 28,930.94

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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.