Home / 135,474.72-203,113.62-56,611.50

Finding the Fourth Proportional to 135,474.72, 203,113.62 and 56,611.50

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Solution

The fourth proportional to 135,474.72, 203,113.62 and 56,611.50 is: 84,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,474.72 : 203,113.62 = 56,611.50 : x
  2. Step 2: Convert to fraction form
    135,474.72/203,113.62 = 56,611.50/x
  3. Step 3: Cross multiply
    135,474.72x = 203,113.62 × 56,611.50
  4. Step 4: Simplify right side
    135,474.72x = 11,498,566,698.63
  5. Step 5: Solve for x
    x = 11,498,566,698.63/135,474.72
  6. Step 6: Final answer
    x = 84,876.11

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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.