Home / 123,771.04-170,804.20-67,182.44

Finding the Fourth Proportional to 123,771.04, 170,804.20 and 67,182.44

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Solution

The fourth proportional to 123,771.04, 170,804.20 and 67,182.44 is: 92,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,771.04 : 170,804.20 = 67,182.44 : x
  2. Step 2: Convert to fraction form
    123,771.04/170,804.20 = 67,182.44/x
  3. Step 3: Cross multiply
    123,771.04x = 170,804.20 × 67,182.44
  4. Step 4: Simplify right side
    123,771.04x = 11,475,042,918.25
  5. Step 5: Solve for x
    x = 11,475,042,918.25/123,771.04
  6. Step 6: Final answer
    x = 92,711.86

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1.5x scale

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.