Home / 87,143.99-130,702.31-23,968.85

Finding the Fourth Proportional to 87,143.99, 130,702.31 and 23,968.85

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Solution

The fourth proportional to 87,143.99, 130,702.31 and 23,968.85 is: 35,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,143.99 : 130,702.31 = 23,968.85 : x
  2. Step 2: Convert to fraction form
    87,143.99/130,702.31 = 23,968.85/x
  3. Step 3: Cross multiply
    87,143.99x = 130,702.31 × 23,968.85
  4. Step 4: Simplify right side
    87,143.99x = 3,132,783,379.57
  5. Step 5: Solve for x
    x = 3,132,783,379.57/87,143.99
  6. Step 6: Final answer
    x = 35,949.51

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1.5x scale

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.