Home / 45,084.16-67,644.87-19,770.58

Finding the Fourth Proportional to 45,084.16, 67,644.87 and 19,770.58

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Solution

The fourth proportional to 45,084.16, 67,644.87 and 19,770.58 is: 29,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,084.16 : 67,644.87 = 19,770.58 : x
  2. Step 2: Convert to fraction form
    45,084.16/67,644.87 = 19,770.58/x
  3. Step 3: Cross multiply
    45,084.16x = 67,644.87 × 19,770.58
  4. Step 4: Simplify right side
    45,084.16x = 1,337,378,310.38
  5. Step 5: Solve for x
    x = 1,337,378,310.38/45,084.16
  6. Step 6: Final answer
    x = 29,664.04

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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.