Home / 123,825.08-170,877.12-67,236.86

Finding the Fourth Proportional to 123,825.08, 170,877.12 and 67,236.86

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Solution

The fourth proportional to 123,825.08, 170,877.12 and 67,236.86 is: 92,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,825.08 : 170,877.12 = 67,236.86 : x
  2. Step 2: Convert to fraction form
    123,825.08/170,877.12 = 67,236.86/x
  3. Step 3: Cross multiply
    123,825.08x = 170,877.12 × 67,236.86
  4. Step 4: Simplify right side
    123,825.08x = 11,489,240,994.64
  5. Step 5: Solve for x
    x = 11,489,240,994.64/123,825.08
  6. Step 6: Final answer
    x = 92,786.06

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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.