Home / 123,346.58-170,218.26-66,757.95

Finding the Fourth Proportional to 123,346.58, 170,218.26 and 66,757.95

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Solution

The fourth proportional to 123,346.58, 170,218.26 and 66,757.95 is: 92,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,346.58 : 170,218.26 = 66,757.95 : x
  2. Step 2: Convert to fraction form
    123,346.58/170,218.26 = 66,757.95/x
  3. Step 3: Cross multiply
    123,346.58x = 170,218.26 × 66,757.95
  4. Step 4: Simplify right side
    123,346.58x = 11,363,422,090.17
  5. Step 5: Solve for x
    x = 11,363,422,090.17/123,346.58
  6. Step 6: Final answer
    x = 92,125.96

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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.