Home / 53,580.60-80,384.34-16,139.88

Finding the Fourth Proportional to 53,580.60, 80,384.34 and 16,139.88

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Solution

The fourth proportional to 53,580.60, 80,384.34 and 16,139.88 is: 24,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,580.60 : 80,384.34 = 16,139.88 : x
  2. Step 2: Convert to fraction form
    53,580.60/80,384.34 = 16,139.88/x
  3. Step 3: Cross multiply
    53,580.60x = 80,384.34 × 16,139.88
  4. Step 4: Simplify right side
    53,580.60x = 1,297,393,601.48
  5. Step 5: Solve for x
    x = 1,297,393,601.48/53,580.60
  6. Step 6: Final answer
    x = 24,213.87

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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.