Home / 89,634.36-134,471.70-27,311.16

Finding the Fourth Proportional to 89,634.36, 134,471.70 and 27,311.16

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Solution

The fourth proportional to 89,634.36, 134,471.70 and 27,311.16 is: 40,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,634.36 : 134,471.70 = 27,311.16 : x
  2. Step 2: Convert to fraction form
    89,634.36/134,471.70 = 27,311.16/x
  3. Step 3: Cross multiply
    89,634.36x = 134,471.70 × 27,311.16
  4. Step 4: Simplify right side
    89,634.36x = 3,672,578,114.17
  5. Step 5: Solve for x
    x = 3,672,578,114.17/89,634.36
  6. Step 6: Final answer
    x = 40,972.88

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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.