Home / 74,645.68-111,971.76-27,873.04

Finding the Fourth Proportional to 74,645.68, 111,971.76 and 27,873.04

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Solution

The fourth proportional to 74,645.68, 111,971.76 and 27,873.04 is: 41,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,645.68 : 111,971.76 = 27,873.04 : x
  2. Step 2: Convert to fraction form
    74,645.68/111,971.76 = 27,873.04/x
  3. Step 3: Cross multiply
    74,645.68x = 111,971.76 × 27,873.04
  4. Step 4: Simplify right side
    74,645.68x = 3,120,993,345.35
  5. Step 5: Solve for x
    x = 3,120,993,345.35/74,645.68
  6. Step 6: Final answer
    x = 41,810.77

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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.