Home / 43,253.10-64,916.07-16,976.28

Finding the Fourth Proportional to 43,253.10, 64,916.07 and 16,976.28

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Solution

The fourth proportional to 43,253.10, 64,916.07 and 16,976.28 is: 25,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,253.10 : 64,916.07 = 16,976.28 : x
  2. Step 2: Convert to fraction form
    43,253.10/64,916.07 = 16,976.28/x
  3. Step 3: Cross multiply
    43,253.10x = 64,916.07 × 16,976.28
  4. Step 4: Simplify right side
    43,253.10x = 1,102,033,380.82
  5. Step 5: Solve for x
    x = 1,102,033,380.82/43,253.10
  6. Step 6: Final answer
    x = 25,478.71

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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.