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Finding the Fourth Proportional to 64,673.14, 89,248.02 and 36,378.82

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Solution

The fourth proportional to 64,673.14, 89,248.02 and 36,378.82 is: 50,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,673.14 : 89,248.02 = 36,378.82 : x
  2. Step 2: Convert to fraction form
    64,673.14/89,248.02 = 36,378.82/x
  3. Step 3: Cross multiply
    64,673.14x = 89,248.02 × 36,378.82
  4. Step 4: Simplify right side
    64,673.14x = 3,246,737,654.94
  5. Step 5: Solve for x
    x = 3,246,737,654.94/64,673.14
  6. Step 6: Final answer
    x = 50,202.26

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1.5x scale

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.