Home / 62,930.28-86,813.46-39,084.69

Finding the Fourth Proportional to 62,930.28, 86,813.46 and 39,084.69

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Solution

The fourth proportional to 62,930.28, 86,813.46 and 39,084.69 is: 53,918.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,930.28 : 86,813.46 = 39,084.69 : x
  2. Step 2: Convert to fraction form
    62,930.28/86,813.46 = 39,084.69/x
  3. Step 3: Cross multiply
    62,930.28x = 86,813.46 × 39,084.69
  4. Step 4: Simplify right side
    62,930.28x = 3,393,077,171.93
  5. Step 5: Solve for x
    x = 3,393,077,171.93/62,930.28
  6. Step 6: Final answer
    x = 53,918.04

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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.