Home / 49,877.04-68,836.68-31,016.64

Finding the Fourth Proportional to 49,877.04, 68,836.68 and 31,016.64

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Solution

The fourth proportional to 49,877.04, 68,836.68 and 31,016.64 is: 42,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,877.04 : 68,836.68 = 31,016.64 : x
  2. Step 2: Convert to fraction form
    49,877.04/68,836.68 = 31,016.64/x
  3. Step 3: Cross multiply
    49,877.04x = 68,836.68 × 31,016.64
  4. Step 4: Simplify right side
    49,877.04x = 2,135,082,522.36
  5. Step 5: Solve for x
    x = 2,135,082,522.36/49,877.04
  6. Step 6: Final answer
    x = 42,806.92

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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.