Home / 79,578.78-119,331.24-46,308.39

Finding the Fourth Proportional to 79,578.78, 119,331.24 and 46,308.39

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Solution

The fourth proportional to 79,578.78, 119,331.24 and 46,308.39 is: 69,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,578.78 : 119,331.24 = 46,308.39 : x
  2. Step 2: Convert to fraction form
    79,578.78/119,331.24 = 46,308.39/x
  3. Step 3: Cross multiply
    79,578.78x = 119,331.24 × 46,308.39
  4. Step 4: Simplify right side
    79,578.78x = 5,526,037,601.10
  5. Step 5: Solve for x
    x = 5,526,037,601.10/79,578.78
  6. Step 6: Final answer
    x = 69,441.09

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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.