Home / 54,262.20-81,221.08-52,195.49

Finding the Fourth Proportional to 54,262.20, 81,221.08 and 52,195.49

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Solution

The fourth proportional to 54,262.20, 81,221.08 and 52,195.49 is: 78,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,262.20 : 81,221.08 = 52,195.49 : x
  2. Step 2: Convert to fraction form
    54,262.20/81,221.08 = 52,195.49/x
  3. Step 3: Cross multiply
    54,262.20x = 81,221.08 × 52,195.49
  4. Step 4: Simplify right side
    54,262.20x = 4,239,373,934.78
  5. Step 5: Solve for x
    x = 4,239,373,934.78/54,262.20
  6. Step 6: Final answer
    x = 78,127.57

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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.