Home / 78,022.08-116,977.23-33,046.43

Finding the Fourth Proportional to 78,022.08, 116,977.23 and 33,046.43

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Solution

The fourth proportional to 78,022.08, 116,977.23 and 33,046.43 is: 49,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,022.08 : 116,977.23 = 33,046.43 : x
  2. Step 2: Convert to fraction form
    78,022.08/116,977.23 = 33,046.43/x
  3. Step 3: Cross multiply
    78,022.08x = 116,977.23 × 33,046.43
  4. Step 4: Simplify right side
    78,022.08x = 3,865,679,257.90
  5. Step 5: Solve for x
    x = 3,865,679,257.90/78,022.08
  6. Step 6: Final answer
    x = 49,545.97

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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.