Home / 79,692.06-119,558.25-57,228.54

Finding the Fourth Proportional to 79,692.06, 119,558.25 and 57,228.54

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Solution

The fourth proportional to 79,692.06, 119,558.25 and 57,228.54 is: 85,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,692.06 : 119,558.25 = 57,228.54 : x
  2. Step 2: Convert to fraction form
    79,692.06/119,558.25 = 57,228.54/x
  3. Step 3: Cross multiply
    79,692.06x = 119,558.25 × 57,228.54
  4. Step 4: Simplify right side
    79,692.06x = 6,842,144,092.46
  5. Step 5: Solve for x
    x = 6,842,144,092.46/79,692.06
  6. Step 6: Final answer
    x = 85,857.29

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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.