Home / 103,371.73-142,675.22-63,076.86

Finding the Fourth Proportional to 103,371.73, 142,675.22 and 63,076.86

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Solution

The fourth proportional to 103,371.73, 142,675.22 and 63,076.86 is: 87,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,371.73 : 142,675.22 = 63,076.86 : x
  2. Step 2: Convert to fraction form
    103,371.73/142,675.22 = 63,076.86/x
  3. Step 3: Cross multiply
    103,371.73x = 142,675.22 × 63,076.86
  4. Step 4: Simplify right side
    103,371.73x = 8,999,504,877.41
  5. Step 5: Solve for x
    x = 8,999,504,877.41/103,371.73
  6. Step 6: Final answer
    x = 87,059.63

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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.