Home / 103,179.09-142,377.24-57,858.98

Finding the Fourth Proportional to 103,179.09, 142,377.24 and 57,858.98

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Solution

The fourth proportional to 103,179.09, 142,377.24 and 57,858.98 is: 79,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,179.09 : 142,377.24 = 57,858.98 : x
  2. Step 2: Convert to fraction form
    103,179.09/142,377.24 = 57,858.98/x
  3. Step 3: Cross multiply
    103,179.09x = 142,377.24 × 57,858.98
  4. Step 4: Simplify right side
    103,179.09x = 8,237,801,881.62
  5. Step 5: Solve for x
    x = 8,237,801,881.62/103,179.09
  6. Step 6: Final answer
    x = 79,839.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.