Home / 52,192.98-78,188.68-31,149.80

Finding the Fourth Proportional to 52,192.98, 78,188.68 and 31,149.80

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Solution

The fourth proportional to 52,192.98, 78,188.68 and 31,149.80 is: 46,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,192.98 : 78,188.68 = 31,149.80 : x
  2. Step 2: Convert to fraction form
    52,192.98/78,188.68 = 31,149.80/x
  3. Step 3: Cross multiply
    52,192.98x = 78,188.68 × 31,149.80
  4. Step 4: Simplify right side
    52,192.98x = 2,435,561,744.26
  5. Step 5: Solve for x
    x = 2,435,561,744.26/52,192.98
  6. Step 6: Final answer
    x = 46,664.55

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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.