Home / 59,790.20-89,685.30-18,231.80

Finding the Fourth Proportional to 59,790.20, 89,685.30 and 18,231.80

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Solution

The fourth proportional to 59,790.20, 89,685.30 and 18,231.80 is: 27,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,790.20 : 89,685.30 = 18,231.80 : x
  2. Step 2: Convert to fraction form
    59,790.20/89,685.30 = 18,231.80/x
  3. Step 3: Cross multiply
    59,790.20x = 89,685.30 × 18,231.80
  4. Step 4: Simplify right side
    59,790.20x = 1,635,124,452.54
  5. Step 5: Solve for x
    x = 1,635,124,452.54/59,790.20
  6. Step 6: Final answer
    x = 27,347.70

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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.