Home / 89,057.28-133,590-49,584.66

Finding the Fourth Proportional to 89,057.28, 133,590 and 49,584.66

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Solution

The fourth proportional to 89,057.28, 133,590 and 49,584.66 is: 74,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,057.28 : 133,590 = 49,584.66 : x
  2. Step 2: Convert to fraction form
    89,057.28/133,590 = 49,584.66/x
  3. Step 3: Cross multiply
    89,057.28x = 133,590 × 49,584.66
  4. Step 4: Simplify right side
    89,057.28x = 6,624,014,729.40
  5. Step 5: Solve for x
    x = 6,624,014,729.40/89,057.28
  6. Step 6: Final answer
    x = 74,379.26

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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.