Home / 80,136.55-110,553.69-48,287.35

Finding the Fourth Proportional to 80,136.55, 110,553.69 and 48,287.35

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Solution

The fourth proportional to 80,136.55, 110,553.69 and 48,287.35 is: 66,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,136.55 : 110,553.69 = 48,287.35 : x
  2. Step 2: Convert to fraction form
    80,136.55/110,553.69 = 48,287.35/x
  3. Step 3: Cross multiply
    80,136.55x = 110,553.69 × 48,287.35
  4. Step 4: Simplify right side
    80,136.55x = 5,338,344,722.82
  5. Step 5: Solve for x
    x = 5,338,344,722.82/80,136.55
  6. Step 6: Final answer
    x = 66,615.60

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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.