Home / 53,455.70-80,183.88-14,012.46

Finding the Fourth Proportional to 53,455.70, 80,183.88 and 14,012.46

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Solution

The fourth proportional to 53,455.70, 80,183.88 and 14,012.46 is: 21,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,455.70 : 80,183.88 = 14,012.46 : x
  2. Step 2: Convert to fraction form
    53,455.70/80,183.88 = 14,012.46/x
  3. Step 3: Cross multiply
    53,455.70x = 80,183.88 × 14,012.46
  4. Step 4: Simplify right side
    53,455.70x = 1,123,573,411.14
  5. Step 5: Solve for x
    x = 1,123,573,411.14/53,455.70
  6. Step 6: Final answer
    x = 21,018.78

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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.