Home / 79,273.14-109,396.90-43,462.39

Finding the Fourth Proportional to 79,273.14, 109,396.90 and 43,462.39

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Solution

The fourth proportional to 79,273.14, 109,396.90 and 43,462.39 is: 59,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,273.14 : 109,396.90 = 43,462.39 : x
  2. Step 2: Convert to fraction form
    79,273.14/109,396.90 = 43,462.39/x
  3. Step 3: Cross multiply
    79,273.14x = 109,396.90 × 43,462.39
  4. Step 4: Simplify right side
    79,273.14x = 4,754,650,732.59
  5. Step 5: Solve for x
    x = 4,754,650,732.59/79,273.14
  6. Step 6: Final answer
    x = 59,978.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.