Home / 53,403.75-80,086.47-15,956.84

Finding the Fourth Proportional to 53,403.75, 80,086.47 and 15,956.84

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Solution

The fourth proportional to 53,403.75, 80,086.47 and 15,956.84 is: 23,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.75 : 80,086.47 = 15,956.84 : x
  2. Step 2: Convert to fraction form
    53,403.75/80,086.47 = 15,956.84/x
  3. Step 3: Cross multiply
    53,403.75x = 80,086.47 × 15,956.84
  4. Step 4: Simplify right side
    53,403.75x = 1,277,927,218.09
  5. Step 5: Solve for x
    x = 1,277,927,218.09/53,403.75
  6. Step 6: Final answer
    x = 23,929.54

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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.