Home / 53,730.88-80,585.97-51,063.78

Finding the Fourth Proportional to 53,730.88, 80,585.97 and 51,063.78

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Solution

The fourth proportional to 53,730.88, 80,585.97 and 51,063.78 is: 76,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,730.88 : 80,585.97 = 51,063.78 : x
  2. Step 2: Convert to fraction form
    53,730.88/80,585.97 = 51,063.78/x
  3. Step 3: Cross multiply
    53,730.88x = 80,585.97 × 51,063.78
  4. Step 4: Simplify right side
    53,730.88x = 4,115,024,353.87
  5. Step 5: Solve for x
    x = 4,115,024,353.87/53,730.88
  6. Step 6: Final answer
    x = 76,585.84

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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.