Home / 53,243.10-79,876.80-18,182.25

Finding the Fourth Proportional to 53,243.10, 79,876.80 and 18,182.25

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Solution

The fourth proportional to 53,243.10, 79,876.80 and 18,182.25 is: 27,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,243.10 : 79,876.80 = 18,182.25 : x
  2. Step 2: Convert to fraction form
    53,243.10/79,876.80 = 18,182.25/x
  3. Step 3: Cross multiply
    53,243.10x = 79,876.80 × 18,182.25
  4. Step 4: Simplify right side
    53,243.10x = 1,452,339,946.80
  5. Step 5: Solve for x
    x = 1,452,339,946.80/53,243.10
  6. Step 6: Final answer
    x = 27,277.52

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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.