Home / 89,151.98-133,637.90-55,895.38

Finding the Fourth Proportional to 89,151.98, 133,637.90 and 55,895.38

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Solution

The fourth proportional to 89,151.98, 133,637.90 and 55,895.38 is: 83,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,151.98 : 133,637.90 = 55,895.38 : x
  2. Step 2: Convert to fraction form
    89,151.98/133,637.90 = 55,895.38/x
  3. Step 3: Cross multiply
    89,151.98x = 133,637.90 × 55,895.38
  4. Step 4: Simplify right side
    89,151.98x = 7,469,741,202.90
  5. Step 5: Solve for x
    x = 7,469,741,202.90/89,151.98
  6. Step 6: Final answer
    x = 83,786.60

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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.