Home / 97,076.07-133,942.81-54,619.11

Finding the Fourth Proportional to 97,076.07, 133,942.81 and 54,619.11

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Solution

The fourth proportional to 97,076.07, 133,942.81 and 54,619.11 is: 75,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,076.07 : 133,942.81 = 54,619.11 : x
  2. Step 2: Convert to fraction form
    97,076.07/133,942.81 = 54,619.11/x
  3. Step 3: Cross multiply
    97,076.07x = 133,942.81 × 54,619.11
  4. Step 4: Simplify right side
    97,076.07x = 7,315,837,073.10
  5. Step 5: Solve for x
    x = 7,315,837,073.10/97,076.07
  6. Step 6: Final answer
    x = 75,361.90

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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.