Home / 80,530.03-111,136.58-44,720.04

Finding the Fourth Proportional to 80,530.03, 111,136.58 and 44,720.04

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Solution

The fourth proportional to 80,530.03, 111,136.58 and 44,720.04 is: 61,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,530.03 : 111,136.58 = 44,720.04 : x
  2. Step 2: Convert to fraction form
    80,530.03/111,136.58 = 44,720.04/x
  3. Step 3: Cross multiply
    80,530.03x = 111,136.58 × 44,720.04
  4. Step 4: Simplify right side
    80,530.03x = 4,970,032,025.22
  5. Step 5: Solve for x
    x = 4,970,032,025.22/80,530.03
  6. Step 6: Final answer
    x = 61,716.51

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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.