Home / 88,389.20-132,468.60-40,998.80

Finding the Fourth Proportional to 88,389.20, 132,468.60 and 40,998.80

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Solution

The fourth proportional to 88,389.20, 132,468.60 and 40,998.80 is: 61,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,389.20 : 132,468.60 = 40,998.80 : x
  2. Step 2: Convert to fraction form
    88,389.20/132,468.60 = 40,998.80/x
  3. Step 3: Cross multiply
    88,389.20x = 132,468.60 × 40,998.80
  4. Step 4: Simplify right side
    88,389.20x = 5,431,053,637.68
  5. Step 5: Solve for x
    x = 5,431,053,637.68/88,389.20
  6. Step 6: Final answer
    x = 61,444.77

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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.