Home / 98,242.44-135,564.66-55,792.68

Finding the Fourth Proportional to 98,242.44, 135,564.66 and 55,792.68

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Solution

The fourth proportional to 98,242.44, 135,564.66 and 55,792.68 is: 76,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,242.44 : 135,564.66 = 55,792.68 : x
  2. Step 2: Convert to fraction form
    98,242.44/135,564.66 = 55,792.68/x
  3. Step 3: Cross multiply
    98,242.44x = 135,564.66 × 55,792.68
  4. Step 4: Simplify right side
    98,242.44x = 7,563,515,694.69
  5. Step 5: Solve for x
    x = 7,563,515,694.69/98,242.44
  6. Step 6: Final answer
    x = 76,988.27

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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.