Home / 123,860.03-170,920.46-67,271.27

Finding the Fourth Proportional to 123,860.03, 170,920.46 and 67,271.27

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Solution

The fourth proportional to 123,860.03, 170,920.46 and 67,271.27 is: 92,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,860.03 : 170,920.46 = 67,271.27 : x
  2. Step 2: Convert to fraction form
    123,860.03/170,920.46 = 67,271.27/x
  3. Step 3: Cross multiply
    123,860.03x = 170,920.46 × 67,271.27
  4. Step 4: Simplify right side
    123,860.03x = 11,498,035,726.76
  5. Step 5: Solve for x
    x = 11,498,035,726.76/123,860.03
  6. Step 6: Final answer
    x = 92,830.88

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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.