Home / 123,464.66-170,381.88-66,876.03

Finding the Fourth Proportional to 123,464.66, 170,381.88 and 66,876.03

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Solution

The fourth proportional to 123,464.66, 170,381.88 and 66,876.03 is: 92,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,464.66 : 170,381.88 = 66,876.03 : x
  2. Step 2: Convert to fraction form
    123,464.66/170,381.88 = 66,876.03/x
  3. Step 3: Cross multiply
    123,464.66x = 170,381.88 × 66,876.03
  4. Step 4: Simplify right side
    123,464.66x = 11,394,463,718.34
  5. Step 5: Solve for x
    x = 11,394,463,718.34/123,464.66
  6. Step 6: Final answer
    x = 92,289.28

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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.