Home / 53,985.94-80,929.92-18,906.46

Finding the Fourth Proportional to 53,985.94, 80,929.92 and 18,906.46

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Solution

The fourth proportional to 53,985.94, 80,929.92 and 18,906.46 is: 28,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,985.94 : 80,929.92 = 18,906.46 : x
  2. Step 2: Convert to fraction form
    53,985.94/80,929.92 = 18,906.46/x
  3. Step 3: Cross multiply
    53,985.94x = 80,929.92 × 18,906.46
  4. Step 4: Simplify right side
    53,985.94x = 1,530,098,295.28
  5. Step 5: Solve for x
    x = 1,530,098,295.28/53,985.94
  6. Step 6: Final answer
    x = 28,342.53

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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.