Home / 88,756.57-133,057.09-33,391.45

Finding the Fourth Proportional to 88,756.57, 133,057.09 and 33,391.45

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Solution

The fourth proportional to 88,756.57, 133,057.09 and 33,391.45 is: 50,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,756.57 : 133,057.09 = 33,391.45 : x
  2. Step 2: Convert to fraction form
    88,756.57/133,057.09 = 33,391.45/x
  3. Step 3: Cross multiply
    88,756.57x = 133,057.09 × 33,391.45
  4. Step 4: Simplify right side
    88,756.57x = 4,442,969,167.88
  5. Step 5: Solve for x
    x = 4,442,969,167.88/88,756.57
  6. Step 6: Final answer
    x = 50,057.92

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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.