Home / 54,960.76-75,845.83-31,086.92

Finding the Fourth Proportional to 54,960.76, 75,845.83 and 31,086.92

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Solution

The fourth proportional to 54,960.76, 75,845.83 and 31,086.92 is: 42,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,960.76 : 75,845.83 = 31,086.92 : x
  2. Step 2: Convert to fraction form
    54,960.76/75,845.83 = 31,086.92/x
  3. Step 3: Cross multiply
    54,960.76x = 75,845.83 × 31,086.92
  4. Step 4: Simplify right side
    54,960.76x = 2,357,813,249.54
  5. Step 5: Solve for x
    x = 2,357,813,249.54/54,960.76
  6. Step 6: Final answer
    x = 42,899.94

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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.