Home / 123,765.48-170,796.78-67,176.84

Finding the Fourth Proportional to 123,765.48, 170,796.78 and 67,176.84

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Solution

The fourth proportional to 123,765.48, 170,796.78 and 67,176.84 is: 92,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,765.48 : 170,796.78 = 67,176.84 : x
  2. Step 2: Convert to fraction form
    123,765.48/170,796.78 = 67,176.84/x
  3. Step 3: Cross multiply
    123,765.48x = 170,796.78 × 67,176.84
  4. Step 4: Simplify right side
    123,765.48x = 11,473,587,962.58
  5. Step 5: Solve for x
    x = 11,473,587,962.58/123,765.48
  6. Step 6: Final answer
    x = 92,704.27

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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.