Home / 53,711.64-80,567.53-18,626.63

Finding the Fourth Proportional to 53,711.64, 80,567.53 and 18,626.63

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Solution

The fourth proportional to 53,711.64, 80,567.53 and 18,626.63 is: 27,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,711.64 : 80,567.53 = 18,626.63 : x
  2. Step 2: Convert to fraction form
    53,711.64/80,567.53 = 18,626.63/x
  3. Step 3: Cross multiply
    53,711.64x = 80,567.53 × 18,626.63
  4. Step 4: Simplify right side
    53,711.64x = 1,500,701,121.92
  5. Step 5: Solve for x
    x = 1,500,701,121.92/53,711.64
  6. Step 6: Final answer
    x = 27,939.96

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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.