Home / 97,213.10-146,344.83-87,436.96

Finding the Fourth Proportional to 97,213.10, 146,344.83 and 87,436.96

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Solution

The fourth proportional to 97,213.10, 146,344.83 and 87,436.96 is: 131,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,213.10 : 146,344.83 = 87,436.96 : x
  2. Step 2: Convert to fraction form
    97,213.10/146,344.83 = 87,436.96/x
  3. Step 3: Cross multiply
    97,213.10x = 146,344.83 × 87,436.96
  4. Step 4: Simplify right side
    97,213.10x = 12,795,947,626.77
  5. Step 5: Solve for x
    x = 12,795,947,626.77/97,213.10
  6. Step 6: Final answer
    x = 131,627.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.