Home / 54,262.77-81,519.23-52,020.80

Finding the Fourth Proportional to 54,262.77, 81,519.23 and 52,020.80

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Solution

The fourth proportional to 54,262.77, 81,519.23 and 52,020.80 is: 78,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,262.77 : 81,519.23 = 52,020.80 : x
  2. Step 2: Convert to fraction form
    54,262.77/81,519.23 = 52,020.80/x
  3. Step 3: Cross multiply
    54,262.77x = 81,519.23 × 52,020.80
  4. Step 4: Simplify right side
    54,262.77x = 4,240,695,559.98
  5. Step 5: Solve for x
    x = 4,240,695,559.98/54,262.77
  6. Step 6: Final answer
    x = 78,151.11

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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.