Home / 80,136.54-110,588.49-48,297.06

Finding the Fourth Proportional to 80,136.54, 110,588.49 and 48,297.06

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Solution

The fourth proportional to 80,136.54, 110,588.49 and 48,297.06 is: 66,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,136.54 : 110,588.49 = 48,297.06 : x
  2. Step 2: Convert to fraction form
    80,136.54/110,588.49 = 48,297.06/x
  3. Step 3: Cross multiply
    80,136.54x = 110,588.49 × 48,297.06
  4. Step 4: Simplify right side
    80,136.54x = 5,341,098,936.84
  5. Step 5: Solve for x
    x = 5,341,098,936.84/80,136.54
  6. Step 6: Final answer
    x = 66,649.98

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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.