Home / 108,783.11-163,134.79-37,687.38

Finding the Fourth Proportional to 108,783.11, 163,134.79 and 37,687.38

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Solution

The fourth proportional to 108,783.11, 163,134.79 and 37,687.38 is: 56,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,783.11 : 163,134.79 = 37,687.38 : x
  2. Step 2: Convert to fraction form
    108,783.11/163,134.79 = 37,687.38/x
  3. Step 3: Cross multiply
    108,783.11x = 163,134.79 × 37,687.38
  4. Step 4: Simplify right side
    108,783.11x = 6,148,123,382.89
  5. Step 5: Solve for x
    x = 6,148,123,382.89/108,783.11
  6. Step 6: Final answer
    x = 56,517.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.