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Finding the Fourth Proportional to 64,592.34, 89,141.85 and 36,297.96

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Solution

The fourth proportional to 64,592.34, 89,141.85 and 36,297.96 is: 50,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,592.34 : 89,141.85 = 36,297.96 : x
  2. Step 2: Convert to fraction form
    64,592.34/89,141.85 = 36,297.96/x
  3. Step 3: Cross multiply
    64,592.34x = 89,141.85 × 36,297.96
  4. Step 4: Simplify right side
    64,592.34x = 3,235,667,305.63
  5. Step 5: Solve for x
    x = 3,235,667,305.63/64,592.34
  6. Step 6: Final answer
    x = 50,093.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.