Home / 54,042.46-81,062.73-17,105.50

Finding the Fourth Proportional to 54,042.46, 81,062.73 and 17,105.50

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Solution

The fourth proportional to 54,042.46, 81,062.73 and 17,105.50 is: 25,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,042.46 : 81,062.73 = 17,105.50 : x
  2. Step 2: Convert to fraction form
    54,042.46/81,062.73 = 17,105.50/x
  3. Step 3: Cross multiply
    54,042.46x = 81,062.73 × 17,105.50
  4. Step 4: Simplify right side
    54,042.46x = 1,386,618,528.02
  5. Step 5: Solve for x
    x = 1,386,618,528.02/54,042.46
  6. Step 6: Final answer
    x = 25,657.95

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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.