Home / 54,171.86-81,190.08-26,086.68

Finding the Fourth Proportional to 54,171.86, 81,190.08 and 26,086.68

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Solution

The fourth proportional to 54,171.86, 81,190.08 and 26,086.68 is: 39,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,171.86 : 81,190.08 = 26,086.68 : x
  2. Step 2: Convert to fraction form
    54,171.86/81,190.08 = 26,086.68/x
  3. Step 3: Cross multiply
    54,171.86x = 81,190.08 × 26,086.68
  4. Step 4: Simplify right side
    54,171.86x = 2,117,979,636.13
  5. Step 5: Solve for x
    x = 2,117,979,636.13/54,171.86
  6. Step 6: Final answer
    x = 39,097.41

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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.