Home / 89,747.36-134,573.42-26,558.78

Finding the Fourth Proportional to 89,747.36, 134,573.42 and 26,558.78

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Solution

The fourth proportional to 89,747.36, 134,573.42 and 26,558.78 is: 39,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,747.36 : 134,573.42 = 26,558.78 : x
  2. Step 2: Convert to fraction form
    89,747.36/134,573.42 = 26,558.78/x
  3. Step 3: Cross multiply
    89,747.36x = 134,573.42 × 26,558.78
  4. Step 4: Simplify right side
    89,747.36x = 3,574,105,049.97
  5. Step 5: Solve for x
    x = 3,574,105,049.97/89,747.36
  6. Step 6: Final answer
    x = 39,824.07

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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.