Home / 62,982.67-86,915.55-34,687.75

Finding the Fourth Proportional to 62,982.67, 86,915.55 and 34,687.75

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Solution

The fourth proportional to 62,982.67, 86,915.55 and 34,687.75 is: 47,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,982.67 : 86,915.55 = 34,687.75 : x
  2. Step 2: Convert to fraction form
    62,982.67/86,915.55 = 34,687.75/x
  3. Step 3: Cross multiply
    62,982.67x = 86,915.55 × 34,687.75
  4. Step 4: Simplify right side
    62,982.67x = 3,014,904,869.51
  5. Step 5: Solve for x
    x = 3,014,904,869.51/62,982.67
  6. Step 6: Final answer
    x = 47,868.80

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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.