Home / 88,420.68-132,453.36-43,912.80

Finding the Fourth Proportional to 88,420.68, 132,453.36 and 43,912.80

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Solution

The fourth proportional to 88,420.68, 132,453.36 and 43,912.80 is: 65,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,420.68 : 132,453.36 = 43,912.80 : x
  2. Step 2: Convert to fraction form
    88,420.68/132,453.36 = 43,912.80/x
  3. Step 3: Cross multiply
    88,420.68x = 132,453.36 × 43,912.80
  4. Step 4: Simplify right side
    88,420.68x = 5,816,397,907.01
  5. Step 5: Solve for x
    x = 5,816,397,907.01/88,420.68
  6. Step 6: Final answer
    x = 65,780.97

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1.5x scale

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.