Home / 98,185.62-135,491.33-55,738.58

Finding the Fourth Proportional to 98,185.62, 135,491.33 and 55,738.58

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Solution

The fourth proportional to 98,185.62, 135,491.33 and 55,738.58 is: 76,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,185.62 : 135,491.33 = 55,738.58 : x
  2. Step 2: Convert to fraction form
    98,185.62/135,491.33 = 55,738.58/x
  3. Step 3: Cross multiply
    98,185.62x = 135,491.33 × 55,738.58
  4. Step 4: Simplify right side
    98,185.62x = 7,552,094,336.51
  5. Step 5: Solve for x
    x = 7,552,094,336.51/98,185.62
  6. Step 6: Final answer
    x = 76,916.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.