Home / 43,929.28-65,893.32-10,649.63

Finding the Fourth Proportional to 43,929.28, 65,893.32 and 10,649.63

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Solution

The fourth proportional to 43,929.28, 65,893.32 and 10,649.63 is: 15,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,929.28 : 65,893.32 = 10,649.63 : x
  2. Step 2: Convert to fraction form
    43,929.28/65,893.32 = 10,649.63/x
  3. Step 3: Cross multiply
    43,929.28x = 65,893.32 × 10,649.63
  4. Step 4: Simplify right side
    43,929.28x = 701,739,121.38
  5. Step 5: Solve for x
    x = 701,739,121.38/43,929.28
  6. Step 6: Final answer
    x = 15,974.29

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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.