Home / 74,621.52-111,961.44-27,878.04

Finding the Fourth Proportional to 74,621.52, 111,961.44 and 27,878.04

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Solution

The fourth proportional to 74,621.52, 111,961.44 and 27,878.04 is: 41,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,621.52 : 111,961.44 = 27,878.04 : x
  2. Step 2: Convert to fraction form
    74,621.52/111,961.44 = 27,878.04/x
  3. Step 3: Cross multiply
    74,621.52x = 111,961.44 × 27,878.04
  4. Step 4: Simplify right side
    74,621.52x = 3,121,265,502.78
  5. Step 5: Solve for x
    x = 3,121,265,502.78/74,621.52
  6. Step 6: Final answer
    x = 41,827.95

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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.