Home / 55,136.44-76,056.15-40,011.50

Finding the Fourth Proportional to 55,136.44, 76,056.15 and 40,011.50

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Solution

The fourth proportional to 55,136.44, 76,056.15 and 40,011.50 is: 55,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,136.44 : 76,056.15 = 40,011.50 : x
  2. Step 2: Convert to fraction form
    55,136.44/76,056.15 = 40,011.50/x
  3. Step 3: Cross multiply
    55,136.44x = 76,056.15 × 40,011.50
  4. Step 4: Simplify right side
    55,136.44x = 3,043,120,645.73
  5. Step 5: Solve for x
    x = 3,043,120,645.73/55,136.44
  6. Step 6: Final answer
    x = 55,192.55

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1.5x scale

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.