Home / 43,375.69-64,989.20-29,117.48

Finding the Fourth Proportional to 43,375.69, 64,989.20 and 29,117.48

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Solution

The fourth proportional to 43,375.69, 64,989.20 and 29,117.48 is: 43,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,375.69 : 64,989.20 = 29,117.48 : x
  2. Step 2: Convert to fraction form
    43,375.69/64,989.20 = 29,117.48/x
  3. Step 3: Cross multiply
    43,375.69x = 64,989.20 × 29,117.48
  4. Step 4: Simplify right side
    43,375.69x = 1,892,321,479.06
  5. Step 5: Solve for x
    x = 1,892,321,479.06/43,375.69
  6. Step 6: Final answer
    x = 43,626.32

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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.