Home / 89,631.06-134,446.64-36,982.68

Finding the Fourth Proportional to 89,631.06, 134,446.64 and 36,982.68

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Solution

The fourth proportional to 89,631.06, 134,446.64 and 36,982.68 is: 55,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,631.06 : 134,446.64 = 36,982.68 : x
  2. Step 2: Convert to fraction form
    89,631.06/134,446.64 = 36,982.68/x
  3. Step 3: Cross multiply
    89,631.06x = 134,446.64 × 36,982.68
  4. Step 4: Simplify right side
    89,631.06x = 4,972,196,879.28
  5. Step 5: Solve for x
    x = 4,972,196,879.28/89,631.06
  6. Step 6: Final answer
    x = 55,474.04

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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.