Home / 54,495.20-81,634.80-48,000.80

Finding the Fourth Proportional to 54,495.20, 81,634.80 and 48,000.80

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Solution

The fourth proportional to 54,495.20, 81,634.80 and 48,000.80 is: 71,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,495.20 : 81,634.80 = 48,000.80 : x
  2. Step 2: Convert to fraction form
    54,495.20/81,634.80 = 48,000.80/x
  3. Step 3: Cross multiply
    54,495.20x = 81,634.80 × 48,000.80
  4. Step 4: Simplify right side
    54,495.20x = 3,918,535,707.84
  5. Step 5: Solve for x
    x = 3,918,535,707.84/54,495.20
  6. Step 6: Final answer
    x = 71,906.07

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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.