Home / 54,065.18-74,605.64-30,190.44

Finding the Fourth Proportional to 54,065.18, 74,605.64 and 30,190.44

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Solution

The fourth proportional to 54,065.18, 74,605.64 and 30,190.44 is: 41,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,065.18 : 74,605.64 = 30,190.44 : x
  2. Step 2: Convert to fraction form
    54,065.18/74,605.64 = 30,190.44/x
  3. Step 3: Cross multiply
    54,065.18x = 74,605.64 × 30,190.44
  4. Step 4: Simplify right side
    54,065.18x = 2,252,377,098.08
  5. Step 5: Solve for x
    x = 2,252,377,098.08/54,065.18
  6. Step 6: Final answer
    x = 41,660.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.