Home / 86,735.04-119,692.80-49,008.48

Finding the Fourth Proportional to 86,735.04, 119,692.80 and 49,008.48

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Solution

The fourth proportional to 86,735.04, 119,692.80 and 49,008.48 is: 67,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,735.04 : 119,692.80 = 49,008.48 : x
  2. Step 2: Convert to fraction form
    86,735.04/119,692.80 = 49,008.48/x
  3. Step 3: Cross multiply
    86,735.04x = 119,692.80 × 49,008.48
  4. Step 4: Simplify right side
    86,735.04x = 5,865,962,194.94
  5. Step 5: Solve for x
    x = 5,865,962,194.94/86,735.04
  6. Step 6: Final answer
    x = 67,630.82

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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.