Home / 54,173.73-81,246.03-19,108.77

Finding the Fourth Proportional to 54,173.73, 81,246.03 and 19,108.77

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Solution

The fourth proportional to 54,173.73, 81,246.03 and 19,108.77 is: 28,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,173.73 : 81,246.03 = 19,108.77 : x
  2. Step 2: Convert to fraction form
    54,173.73/81,246.03 = 19,108.77/x
  3. Step 3: Cross multiply
    54,173.73x = 81,246.03 × 19,108.77
  4. Step 4: Simplify right side
    54,173.73x = 1,552,511,700.68
  5. Step 5: Solve for x
    x = 1,552,511,700.68/54,173.73
  6. Step 6: Final answer
    x = 28,658.02

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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.