Home / 89,918.43-134,896.74-26,738.70

Finding the Fourth Proportional to 89,918.43, 134,896.74 and 26,738.70

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Solution

The fourth proportional to 89,918.43, 134,896.74 and 26,738.70 is: 40,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,918.43 : 134,896.74 = 26,738.70 : x
  2. Step 2: Convert to fraction form
    89,918.43/134,896.74 = 26,738.70/x
  3. Step 3: Cross multiply
    89,918.43x = 134,896.74 × 26,738.70
  4. Step 4: Simplify right side
    89,918.43x = 3,606,963,461.84
  5. Step 5: Solve for x
    x = 3,606,963,461.84/89,918.43
  6. Step 6: Final answer
    x = 40,113.73

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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.