Home / 53,805.33-80,708.40-18,744.93

Finding the Fourth Proportional to 53,805.33, 80,708.40 and 18,744.93

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Solution

The fourth proportional to 53,805.33, 80,708.40 and 18,744.93 is: 28,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,805.33 : 80,708.40 = 18,744.93 : x
  2. Step 2: Convert to fraction form
    53,805.33/80,708.40 = 18,744.93/x
  3. Step 3: Cross multiply
    53,805.33x = 80,708.40 × 18,744.93
  4. Step 4: Simplify right side
    53,805.33x = 1,512,873,308.41
  5. Step 5: Solve for x
    x = 1,512,873,308.41/53,805.33
  6. Step 6: Final answer
    x = 28,117.54

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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.