Home / 123,466.32-170,382.96-66,877.83

Finding the Fourth Proportional to 123,466.32, 170,382.96 and 66,877.83

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Solution

The fourth proportional to 123,466.32, 170,382.96 and 66,877.83 is: 92,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,466.32 : 170,382.96 = 66,877.83 : x
  2. Step 2: Convert to fraction form
    123,466.32/170,382.96 = 66,877.83/x
  3. Step 3: Cross multiply
    123,466.32x = 170,382.96 × 66,877.83
  4. Step 4: Simplify right side
    123,466.32x = 11,394,842,633.78
  5. Step 5: Solve for x
    x = 11,394,842,633.78/123,466.32
  6. Step 6: Final answer
    x = 92,291.10

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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.