Home / 86,743.34-119,692.58-49,003.82

Finding the Fourth Proportional to 86,743.34, 119,692.58 and 49,003.82

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Solution

The fourth proportional to 86,743.34, 119,692.58 and 49,003.82 is: 67,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,743.34 : 119,692.58 = 49,003.82 : x
  2. Step 2: Convert to fraction form
    86,743.34/119,692.58 = 49,003.82/x
  3. Step 3: Cross multiply
    86,743.34x = 119,692.58 × 49,003.82
  4. Step 4: Simplify right side
    86,743.34x = 5,865,393,645.66
  5. Step 5: Solve for x
    x = 5,865,393,645.66/86,743.34
  6. Step 6: Final answer
    x = 67,617.80

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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.