Home / 99,436.56-149,178.16-32,876.64

Finding the Fourth Proportional to 99,436.56, 149,178.16 and 32,876.64

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Solution

The fourth proportional to 99,436.56, 149,178.16 and 32,876.64 is: 49,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,436.56 : 149,178.16 = 32,876.64 : x
  2. Step 2: Convert to fraction form
    99,436.56/149,178.16 = 32,876.64/x
  3. Step 3: Cross multiply
    99,436.56x = 149,178.16 × 32,876.64
  4. Step 4: Simplify right side
    99,436.56x = 4,904,476,662.18
  5. Step 5: Solve for x
    x = 4,904,476,662.18/99,436.56
  6. Step 6: Final answer
    x = 49,322.67

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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.