Home / 66,789.87-92,075.05-41,281.82

Finding the Fourth Proportional to 66,789.87, 92,075.05 and 41,281.82

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Solution

The fourth proportional to 66,789.87, 92,075.05 and 41,281.82 is: 56,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,789.87 : 92,075.05 = 41,281.82 : x
  2. Step 2: Convert to fraction form
    66,789.87/92,075.05 = 41,281.82/x
  3. Step 3: Cross multiply
    66,789.87x = 92,075.05 × 41,281.82
  4. Step 4: Simplify right side
    66,789.87x = 3,801,025,640.59
  5. Step 5: Solve for x
    x = 3,801,025,640.59/66,789.87
  6. Step 6: Final answer
    x = 56,910.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.