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Finding the Fourth Proportional to 64,213.52, 88,624.06 and 36,984.37

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Solution

The fourth proportional to 64,213.52, 88,624.06 and 36,984.37 is: 51,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,213.52 : 88,624.06 = 36,984.37 : x
  2. Step 2: Convert to fraction form
    64,213.52/88,624.06 = 36,984.37/x
  3. Step 3: Cross multiply
    64,213.52x = 88,624.06 × 36,984.37
  4. Step 4: Simplify right side
    64,213.52x = 3,277,705,035.10
  5. Step 5: Solve for x
    x = 3,277,705,035.10/64,213.52
  6. Step 6: Final answer
    x = 51,043.85

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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.