Home / 123,860.26-170,928.05-67,271.64

Finding the Fourth Proportional to 123,860.26, 170,928.05 and 67,271.64

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Solution

The fourth proportional to 123,860.26, 170,928.05 and 67,271.64 is: 92,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,860.26 : 170,928.05 = 67,271.64 : x
  2. Step 2: Convert to fraction form
    123,860.26/170,928.05 = 67,271.64/x
  3. Step 3: Cross multiply
    123,860.26x = 170,928.05 × 67,271.64
  4. Step 4: Simplify right side
    123,860.26x = 11,498,610,245.50
  5. Step 5: Solve for x
    x = 11,498,610,245.50/123,860.26
  6. Step 6: Final answer
    x = 92,835.35

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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.