Home / 74,641.68-111,965.76-27,869.04

Finding the Fourth Proportional to 74,641.68, 111,965.76 and 27,869.04

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Solution

The fourth proportional to 74,641.68, 111,965.76 and 27,869.04 is: 41,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,641.68 : 111,965.76 = 27,869.04 : x
  2. Step 2: Convert to fraction form
    74,641.68/111,965.76 = 27,869.04/x
  3. Step 3: Cross multiply
    74,641.68x = 111,965.76 × 27,869.04
  4. Step 4: Simplify right side
    74,641.68x = 3,120,378,244.07
  5. Step 5: Solve for x
    x = 3,120,378,244.07/74,641.68
  6. Step 6: Final answer
    x = 41,804.77

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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.