Home / 43,557.64-65,336.28-28,763.04

Finding the Fourth Proportional to 43,557.64, 65,336.28 and 28,763.04

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Solution

The fourth proportional to 43,557.64, 65,336.28 and 28,763.04 is: 43,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,557.64 : 65,336.28 = 28,763.04 : x
  2. Step 2: Convert to fraction form
    43,557.64/65,336.28 = 28,763.04/x
  3. Step 3: Cross multiply
    43,557.64x = 65,336.28 × 28,763.04
  4. Step 4: Simplify right side
    43,557.64x = 1,879,270,035.09
  5. Step 5: Solve for x
    x = 1,879,270,035.09/43,557.64
  6. Step 6: Final answer
    x = 43,144.44

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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.