Home / 75,184.82-112,769.29-39,631.89

Finding the Fourth Proportional to 75,184.82, 112,769.29 and 39,631.89

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Solution

The fourth proportional to 75,184.82, 112,769.29 and 39,631.89 is: 59,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,184.82 : 112,769.29 = 39,631.89 : x
  2. Step 2: Convert to fraction form
    75,184.82/112,769.29 = 39,631.89/x
  3. Step 3: Cross multiply
    75,184.82x = 112,769.29 × 39,631.89
  4. Step 4: Simplify right side
    75,184.82x = 4,469,259,898.50
  5. Step 5: Solve for x
    x = 4,469,259,898.50/75,184.82
  6. Step 6: Final answer
    x = 59,443.65

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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.