Home / 52,145.10-78,198.45-17,085.90

Finding the Fourth Proportional to 52,145.10, 78,198.45 and 17,085.90

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Solution

The fourth proportional to 52,145.10, 78,198.45 and 17,085.90 is: 25,622.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145.10 : 78,198.45 = 17,085.90 : x
  2. Step 2: Convert to fraction form
    52,145.10/78,198.45 = 17,085.90/x
  3. Step 3: Cross multiply
    52,145.10x = 78,198.45 × 17,085.90
  4. Step 4: Simplify right side
    52,145.10x = 1,336,090,896.86
  5. Step 5: Solve for x
    x = 1,336,090,896.86/52,145.10
  6. Step 6: Final answer
    x = 25,622.56

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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.