Home / 49,657.60-68,551.68-39,013.12

Finding the Fourth Proportional to 49,657.60, 68,551.68 and 39,013.12

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Solution

The fourth proportional to 49,657.60, 68,551.68 and 39,013.12 is: 53,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,657.60 : 68,551.68 = 39,013.12 : x
  2. Step 2: Convert to fraction form
    49,657.60/68,551.68 = 39,013.12/x
  3. Step 3: Cross multiply
    49,657.60x = 68,551.68 × 39,013.12
  4. Step 4: Simplify right side
    49,657.60x = 2,674,414,918.04
  5. Step 5: Solve for x
    x = 2,674,414,918.04/49,657.60
  6. Step 6: Final answer
    x = 53,857.11

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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.