Home / 87,362.74-131,043.06-61,611.04

Finding the Fourth Proportional to 87,362.74, 131,043.06 and 61,611.04

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Solution

The fourth proportional to 87,362.74, 131,043.06 and 61,611.04 is: 92,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,362.74 : 131,043.06 = 61,611.04 : x
  2. Step 2: Convert to fraction form
    87,362.74/131,043.06 = 61,611.04/x
  3. Step 3: Cross multiply
    87,362.74x = 131,043.06 × 61,611.04
  4. Step 4: Simplify right side
    87,362.74x = 8,073,699,211.38
  5. Step 5: Solve for x
    x = 8,073,699,211.38/87,362.74
  6. Step 6: Final answer
    x = 92,415.82

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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.