Home / 89,876.37-134,822.13-30,716.13

Finding the Fourth Proportional to 89,876.37, 134,822.13 and 30,716.13

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Solution

The fourth proportional to 89,876.37, 134,822.13 and 30,716.13 is: 46,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,876.37 : 134,822.13 = 30,716.13 : x
  2. Step 2: Convert to fraction form
    89,876.37/134,822.13 = 30,716.13/x
  3. Step 3: Cross multiply
    89,876.37x = 134,822.13 × 30,716.13
  4. Step 4: Simplify right side
    89,876.37x = 4,141,214,071.96
  5. Step 5: Solve for x
    x = 4,141,214,071.96/89,876.37
  6. Step 6: Final answer
    x = 46,076.78

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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.