Home / 66,650.94-99,976.38-26,687.91

Finding the Fourth Proportional to 66,650.94, 99,976.38 and 26,687.91

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Solution

The fourth proportional to 66,650.94, 99,976.38 and 26,687.91 is: 40,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,650.94 : 99,976.38 = 26,687.91 : x
  2. Step 2: Convert to fraction form
    66,650.94/99,976.38 = 26,687.91/x
  3. Step 3: Cross multiply
    66,650.94x = 99,976.38 × 26,687.91
  4. Step 4: Simplify right side
    66,650.94x = 2,668,160,631.57
  5. Step 5: Solve for x
    x = 2,668,160,631.57/66,650.94
  6. Step 6: Final answer
    x = 40,031.85

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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.