Home / 54,755.55-82,143.47-17,325.05

Finding the Fourth Proportional to 54,755.55, 82,143.47 and 17,325.05

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Solution

The fourth proportional to 54,755.55, 82,143.47 and 17,325.05 is: 25,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,755.55 : 82,143.47 = 17,325.05 : x
  2. Step 2: Convert to fraction form
    54,755.55/82,143.47 = 17,325.05/x
  3. Step 3: Cross multiply
    54,755.55x = 82,143.47 × 17,325.05
  4. Step 4: Simplify right side
    54,755.55x = 1,423,139,227.58
  5. Step 5: Solve for x
    x = 1,423,139,227.58/54,755.55
  6. Step 6: Final answer
    x = 25,990.78

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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.