Home / 89,579.32-134,418.49-36,976.50

Finding the Fourth Proportional to 89,579.32, 134,418.49 and 36,976.50

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Solution

The fourth proportional to 89,579.32, 134,418.49 and 36,976.50 is: 55,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,579.32 : 134,418.49 = 36,976.50 : x
  2. Step 2: Convert to fraction form
    89,579.32/134,418.49 = 36,976.50/x
  3. Step 3: Cross multiply
    89,579.32x = 134,418.49 × 36,976.50
  4. Step 4: Simplify right side
    89,579.32x = 4,970,325,203.04
  5. Step 5: Solve for x
    x = 4,970,325,203.04/89,579.32
  6. Step 6: Final answer
    x = 55,485.19

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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.