Home / 74,675.10-111,969.45-27,932.70

Finding the Fourth Proportional to 74,675.10, 111,969.45 and 27,932.70

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Solution

The fourth proportional to 74,675.10, 111,969.45 and 27,932.70 is: 41,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,675.10 : 111,969.45 = 27,932.70 : x
  2. Step 2: Convert to fraction form
    74,675.10/111,969.45 = 27,932.70/x
  3. Step 3: Cross multiply
    74,675.10x = 111,969.45 × 27,932.70
  4. Step 4: Simplify right side
    74,675.10x = 3,127,609,056.02
  5. Step 5: Solve for x
    x = 3,127,609,056.02/74,675.10
  6. Step 6: Final answer
    x = 41,882.89

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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.