Home / 53,359.21-80,043.36-15,916.87

Finding the Fourth Proportional to 53,359.21, 80,043.36 and 15,916.87

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Solution

The fourth proportional to 53,359.21, 80,043.36 and 15,916.87 is: 23,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,359.21 : 80,043.36 = 15,916.87 : x
  2. Step 2: Convert to fraction form
    53,359.21/80,043.36 = 15,916.87/x
  3. Step 3: Cross multiply
    53,359.21x = 80,043.36 × 15,916.87
  4. Step 4: Simplify right side
    53,359.21x = 1,274,039,755.48
  5. Step 5: Solve for x
    x = 1,274,039,755.48/53,359.21
  6. Step 6: Final answer
    x = 23,876.66

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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.