Home / 53,759.90-80,695.87-52,553.75

Finding the Fourth Proportional to 53,759.90, 80,695.87 and 52,553.75

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Solution

The fourth proportional to 53,759.90, 80,695.87 and 52,553.75 is: 78,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,759.90 : 80,695.87 = 52,553.75 : x
  2. Step 2: Convert to fraction form
    53,759.90/80,695.87 = 52,553.75/x
  3. Step 3: Cross multiply
    53,759.90x = 80,695.87 × 52,553.75
  4. Step 4: Simplify right side
    53,759.90x = 4,240,870,043.15
  5. Step 5: Solve for x
    x = 4,240,870,043.15/53,759.90
  6. Step 6: Final answer
    x = 78,885.37

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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.