Home / 120,747.90-166,633.96-67,036.38

Finding the Fourth Proportional to 120,747.90, 166,633.96 and 67,036.38

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Solution

The fourth proportional to 120,747.90, 166,633.96 and 67,036.38 is: 92,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,747.90 : 166,633.96 = 67,036.38 : x
  2. Step 2: Convert to fraction form
    120,747.90/166,633.96 = 67,036.38/x
  3. Step 3: Cross multiply
    120,747.90x = 166,633.96 × 67,036.38
  4. Step 4: Simplify right side
    120,747.90x = 11,170,537,463.46
  5. Step 5: Solve for x
    x = 11,170,537,463.46/120,747.90
  6. Step 6: Final answer
    x = 92,511.24

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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.