Home / 89,237.70-133,711.83-47,115.54

Finding the Fourth Proportional to 89,237.70, 133,711.83 and 47,115.54

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Solution

The fourth proportional to 89,237.70, 133,711.83 and 47,115.54 is: 70,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,237.70 : 133,711.83 = 47,115.54 : x
  2. Step 2: Convert to fraction form
    89,237.70/133,711.83 = 47,115.54/x
  3. Step 3: Cross multiply
    89,237.70x = 133,711.83 × 47,115.54
  4. Step 4: Simplify right side
    89,237.70x = 6,299,905,074.84
  5. Step 5: Solve for x
    x = 6,299,905,074.84/89,237.70
  6. Step 6: Final answer
    x = 70,596.90

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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.