Home / 53,282.68-79,934.82-15,843.40

Finding the Fourth Proportional to 53,282.68, 79,934.82 and 15,843.40

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Solution

The fourth proportional to 53,282.68, 79,934.82 and 15,843.40 is: 23,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,282.68 : 79,934.82 = 15,843.40 : x
  2. Step 2: Convert to fraction form
    53,282.68/79,934.82 = 15,843.40/x
  3. Step 3: Cross multiply
    53,282.68x = 79,934.82 × 15,843.40
  4. Step 4: Simplify right side
    53,282.68x = 1,266,439,327.19
  5. Step 5: Solve for x
    x = 1,266,439,327.19/53,282.68
  6. Step 6: Final answer
    x = 23,768.31

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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.