Home / 88,729.25-133,028.27-53,661.11

Finding the Fourth Proportional to 88,729.25, 133,028.27 and 53,661.11

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Solution

The fourth proportional to 88,729.25, 133,028.27 and 53,661.11 is: 80,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,729.25 : 133,028.27 = 53,661.11 : x
  2. Step 2: Convert to fraction form
    88,729.25/133,028.27 = 53,661.11/x
  3. Step 3: Cross multiply
    88,729.25x = 133,028.27 × 53,661.11
  4. Step 4: Simplify right side
    88,729.25x = 7,138,444,361.27
  5. Step 5: Solve for x
    x = 7,138,444,361.27/88,729.25
  6. Step 6: Final answer
    x = 80,451.99

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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.