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Finding the Fourth Proportional to 64,359.64, 88,816.22 and 36,065.52

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Solution

The fourth proportional to 64,359.64, 88,816.22 and 36,065.52 is: 49,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,359.64 : 88,816.22 = 36,065.52 : x
  2. Step 2: Convert to fraction form
    64,359.64/88,816.22 = 36,065.52/x
  3. Step 3: Cross multiply
    64,359.64x = 88,816.22 × 36,065.52
  4. Step 4: Simplify right side
    64,359.64x = 3,203,203,158.73
  5. Step 5: Solve for x
    x = 3,203,203,158.73/64,359.64
  6. Step 6: Final answer
    x = 49,770.37

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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.