Home / 64,966.10-89,654.31-36,288.27

Finding the Fourth Proportional to 64,966.10, 89,654.31 and 36,288.27

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Solution

The fourth proportional to 64,966.10, 89,654.31 and 36,288.27 is: 50,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,966.10 : 89,654.31 = 36,288.27 : x
  2. Step 2: Convert to fraction form
    64,966.10/89,654.31 = 36,288.27/x
  3. Step 3: Cross multiply
    64,966.10x = 89,654.31 × 36,288.27
  4. Step 4: Simplify right side
    64,966.10x = 3,253,399,807.94
  5. Step 5: Solve for x
    x = 3,253,399,807.94/64,966.10
  6. Step 6: Final answer
    x = 50,078.43

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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.