Home / 88,009.20-132,012.60-28,846.80

Finding the Fourth Proportional to 88,009.20, 132,012.60 and 28,846.80

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Solution

The fourth proportional to 88,009.20, 132,012.60 and 28,846.80 is: 43,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,009.20 : 132,012.60 = 28,846.80 : x
  2. Step 2: Convert to fraction form
    88,009.20/132,012.60 = 28,846.80/x
  3. Step 3: Cross multiply
    88,009.20x = 132,012.60 × 28,846.80
  4. Step 4: Simplify right side
    88,009.20x = 3,808,141,069.68
  5. Step 5: Solve for x
    x = 3,808,141,069.68/88,009.20
  6. Step 6: Final answer
    x = 43,269.81

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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.