Home / 53,279.68-79,919.56-13,833.48

Finding the Fourth Proportional to 53,279.68, 79,919.56 and 13,833.48

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Solution

The fourth proportional to 53,279.68, 79,919.56 and 13,833.48 is: 20,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,279.68 : 79,919.56 = 13,833.48 : x
  2. Step 2: Convert to fraction form
    53,279.68/79,919.56 = 13,833.48/x
  3. Step 3: Cross multiply
    53,279.68x = 79,919.56 × 13,833.48
  4. Step 4: Simplify right side
    53,279.68x = 1,105,565,634.87
  5. Step 5: Solve for x
    x = 1,105,565,634.87/53,279.68
  6. Step 6: Final answer
    x = 20,750.23

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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.