Home / 82,938.26-124,557.42-76,262.60

Finding the Fourth Proportional to 82,938.26, 124,557.42 and 76,262.60

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Solution

The fourth proportional to 82,938.26, 124,557.42 and 76,262.60 is: 114,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,938.26 : 124,557.42 = 76,262.60 : x
  2. Step 2: Convert to fraction form
    82,938.26/124,557.42 = 76,262.60/x
  3. Step 3: Cross multiply
    82,938.26x = 124,557.42 × 76,262.60
  4. Step 4: Simplify right side
    82,938.26x = 9,499,072,698.49
  5. Step 5: Solve for x
    x = 9,499,072,698.49/82,938.26
  6. Step 6: Final answer
    x = 114,531.85

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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.