Home / 53,918.34-80,888.45-18,882.60

Finding the Fourth Proportional to 53,918.34, 80,888.45 and 18,882.60

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Solution

The fourth proportional to 53,918.34, 80,888.45 and 18,882.60 is: 28,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,918.34 : 80,888.45 = 18,882.60 : x
  2. Step 2: Convert to fraction form
    53,918.34/80,888.45 = 18,882.60/x
  3. Step 3: Cross multiply
    53,918.34x = 80,888.45 × 18,882.60
  4. Step 4: Simplify right side
    53,918.34x = 1,527,384,151.56
  5. Step 5: Solve for x
    x = 1,527,384,151.56/53,918.34
  6. Step 6: Final answer
    x = 28,327.73

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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.