Home / 120,675.50-181,042.49-36,430.62

Finding the Fourth Proportional to 120,675.50, 181,042.49 and 36,430.62

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Solution

The fourth proportional to 120,675.50, 181,042.49 and 36,430.62 is: 54,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,675.50 : 181,042.49 = 36,430.62 : x
  2. Step 2: Convert to fraction form
    120,675.50/181,042.49 = 36,430.62/x
  3. Step 3: Cross multiply
    120,675.50x = 181,042.49 × 36,430.62
  4. Step 4: Simplify right side
    120,675.50x = 6,595,489,974.89
  5. Step 5: Solve for x
    x = 6,595,489,974.89/120,675.50
  6. Step 6: Final answer
    x = 54,654.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.