Home / 74,269.31-111,336.53-27,489.38

Finding the Fourth Proportional to 74,269.31, 111,336.53 and 27,489.38

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Solution

The fourth proportional to 74,269.31, 111,336.53 and 27,489.38 is: 41,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,269.31 : 111,336.53 = 27,489.38 : x
  2. Step 2: Convert to fraction form
    74,269.31/111,336.53 = 27,489.38/x
  3. Step 3: Cross multiply
    74,269.31x = 111,336.53 × 27,489.38
  4. Step 4: Simplify right side
    74,269.31x = 3,060,571,486.92
  5. Step 5: Solve for x
    x = 3,060,571,486.92/74,269.31
  6. Step 6: Final answer
    x = 41,209.10

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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.